diff --git a/docs/rules/gds_layers.rst b/docs/rules/gds_layers.rst
deleted file mode 100644
index 158b722..0000000
--- a/docs/rules/gds_layers.rst
+++ /dev/null
@@ -1,10 +0,0 @@
-SkyWater GDS Layers Information
-===============================
-
-The :download:`gds_layers.csv file <./gds_layers.csv>` provides a raw list of the
-layers used in the process with name, description and the GDS layer and data type.
-
-.. csv-table:: Table - GDS Layers
-   :file: gds_layers.csv
-   :header-rows: 1
-   :widths: 10, 15, 10, 75
diff --git a/docs/rules/layers.rst b/docs/rules/layers.rst
new file mode 100644
index 0000000..b07f1a5
--- /dev/null
+++ b/docs/rules/layers.rst
@@ -0,0 +1,33 @@
+Device, LVS and other CAD definitions
+=====================================
+
+Layers Definitions
+------------------
+
+.. csv-table:: Table C3: Device, LVS and other CAD definitions
+   :file: layers/table-c3-device-lvs-other.csv
+   :header-rows: 1
+
+Auxiliary Layers
+----------------
+
+.. csv-table:: Table C4a: Purpose layer description in LSW window and Auxiliary Layers
+   :file: layers/table-c4a-layer-description.csv
+   :header-rows: 1
+
+.. csv-table:: Table C4b: Purpose layer description in LSW window and Auxiliary Layers
+   :file: layers/table-c4b-layer-description.csv
+   :header-rows: 1
+
+
+GDS Layers Information
+----------------------
+
+The :download:`gds_layers.csv file <./gds_layers.csv>` provides a raw list of the
+layers used in the process with name, description and the GDS layer and data type.
+
+.. csv-table:: Table - GDS Layers
+   :file: gds_layers.csv
+   :header-rows: 1
+   :widths: 10, 15, 10, 75
+
diff --git a/docs/rules/layers/table-c3-device-lvs-other.csv b/docs/rules/layers/table-c3-device-lvs-other.csv
new file mode 100644
index 0000000..35c443f
--- /dev/null
+++ b/docs/rules/layers/table-c3-device-lvs-other.csv
@@ -0,0 +1,123 @@
+Name,Defining algorithm,,,Used in …
+AR_met2_A,Net Area Ratio of met2 not connected to via  and of via2 >=0.05  [Equation: (AREA(via2))/(2 * AREA(met2NotConnVia) + PERIMETER(met2NotConnVia) * 0.35)],,,Rules
+AR_met2_B,"Net Area Ratio of met2GroundOrFloat, via, and via2 <=0.032 [Equation: (AREA(via2))/(2 * AREA(met2GroundOrFloatVia) + PERIMETER(met2GroundOrFloatVia) * 0.35)]",,,Rules
+bondPad,pad:dg OUTSIDE areaid:ft,,,Rules
+bottom_plate,(capm:dg AND met2:dg) sized by capm.3; Exclude all capm sharing same metal2 plate,,,Rules
+Capacitor,Capm enclosing at least one via2,,,Rules
+Chip_extent,Holes (areaid:sl ) OR areaid.sl,,,Rules
+Diecut_pmm,areaid.dt NOT (cfom.wp OR cp1m.wp OR cmm1.wp OR cmm2.wp),,,Rules
+drain_diffusion,(diff NOT poly in nwell or  pwell) not abutting tap in the same well or abutting tap in the opposite well,,,Rules
+dummy_capacitor,Capm not overlapping via2,,,Rules
+dummy_poly,"poly overlapping text ""dummy_poly"" (written using text.dg)",,,Rules
+ESD_nwell_tap,"n+ tap coincident with nwell such that n+ tap and nwell are completely surrounded by and abutting n+ diff on all edges, within areaid:ed   ",,,Rules
+fomDmy_keepout_1, (diff.dg OR tap.dg OR poly.dg OR pwell resistor OR pad OR cfom.dg OR cfom.mk OR PhotoArray OR cp1m.mk),,,Rules
+floating_met*,met*.dg not connected to diffusion or tap through met(*+1) or met(*-1) and their respecitve vias and contacts,,,Rules
+fom_waffles,"fom.mk with dimensions (um x um): 0.5 x 0.5, 1.5 x 1.5, 2.5 x 2.5 and 4.08 x 4.08",,,Rules
+gated_npn,cell name:  s8rf_npn_1x1_2p0_HV,,,Rules
+huge_metX,Metal X geometry wider and longer than 3.000um,,,Rules
+hugePad,pad.mk with width > 100um,,,Rules
+iso_pwell,(NOT nwell) AND dnwell,,,Rules
+isolated_tap,tap that does not abut diff,,,Rules
+laser_target,cell *lazX_* and *lazY_* OUTSIDE areaid:ft,,,Rules
+LVnwell,nwell NOT hvi,,,Rules
+LVTN_Gate,Gate overlapping  lvtn,,,Rules
+met2GroundOrFloat,met2 connected to ptap or met2 not connected to difftap\n,,,Rules
+met2GroundOrFloatVia,met2GroundOrFloat interacting with via2 >2,,,Rules
+N+_diff,Diff NOT  Nwell,,,Rules
+N+_tap,Tap AND Nwell,,,Rules
+nsdmHoles,Hole( nsdm ),,,Rules
+NSM_keepout,nsm.dg OR nsm.mk,,,Rules
+nwell_all,nwell OR extension of cnwm beyond  nwell edge straddling de_nFet_source by cnwm.3f (45 degree edges are retained for the NVHV device nwell);  Rule cnwm.3f applies only to GSMC flows,,,Rules
+P+_diff,Diff AND Nwell,,,Rules
+P+_tap,Tap NOT  Nwell,,,Rules
+Pattern_density,(diff_tap area) / PD window (as specified in the rule section),,,Rules
+photoDiode,deep nwell overlapping areaid.po. Die+frame utility will use the mask data of dnwell in the implementation of this definition,,,Rules
+poly_licon1,Any licon1 that does not overlap ((diff or tap) NOT  poly),,,Rules
+poly_waffles,"p1m.mk with dimensions (um x um): 0.48 x 0.48, 0.54 x 0.54 and 0.72 x 0.72",,,Rules
+prec_resistor,rpm AND (poly overlapping poly.rs) AND psdm,,,Rules
+prec_resistor_terminal,prec_resistor AND li,,,Rules
+psdmHoles,Hole( psdm ),,,Rules
+pwell,NOT nwell (default substrate area),,,Rules
+pwres_terminal,P+tap abutting pwell.rs,,,Rules
+pnp_emitter,diff AND pnp.dg AND psdm,,,Rules
+routing_terminal,metX.pin sized inside of metX.drawing by 1/2 * metalX min width; Similar defintion applies to Li1 layer,,,Rules
+scribe_line,areaid:ft NOT areaid:dt,,,Rules
+slotted_licon,licon1.dg of size 0.19um x 2.0um,,,Rules
+slotted_licon_edge1,2.0um edge of the slotted_licon,,,Rules
+source_diffusion,(diff NOT  poly in nwell or  pwell) abutting tap in same well,,,Rules
+tap_licon,Tap AND Licon1,,,Rules
+tap_notPoly,tap NOT  poly,,,Rules
+top_indmMetal,met3 for S8D*,,,Rules
+top_metal,met3.dg OR mm3.mk (for S8T*/SP8TEE-5R); met3.dg OR indm.mk (for S8D*); met4.dg OR mm4.mk  (for SP8Q/S8Q*); met5.dg OR mm5.mk  (for SP8P*/S8P*),,,Rules
+top_padVia,Via2 for S8D*,,,Rules
+top_plate,capm:dg,,,Rules
+Var_channel,poly AND tap AND (nwell NOT hvi) NOT areaid.ce,,,Rules
+VaracTap,Tap overlapping Var_channel,,,Rules
+vpp_with_noLi,"vpp with cell names:  s8rf2_xcmvpp3, s8rf2_xcmvpp4, s8rf2_xcmvpp5, s8rf2_xcmvpp4p4x4p6_m1m2, s8rf2_xcmvpp11p5x11p7_m1m2, s8rf2_xcmvpp11p5x11p7_m1m4, s8rf2_xcmvpp11p5x11p7_m1m4m5shield",,,Rules
+vpp_with_Met3Shield,"vpp with cell names: s8rf_xcmvpp1p8x1p8_m3shield, s8rf_xcmvpp4p4x4p6_m3shield, s8rf_xcmvpp8p6x7p9_m3shield, s8rf_xcmvpp11p5x11p7_m3shield",,,Rules
+vpp_with_LiShield,vpp with cell names: s8rf*_li*shield,,,Rules
+vpp_over_MOSCAP,"vpp with cell names: s8rf_xcmvpp2 when over nhvnative W/L=10x4, s8rf_xcmvpp2_nwell when over phv/pshort/phighvt/plowvt W/L=5x4",,,Rules
+vpp_with_Met5PolyShield,"vpp with cell names: s8rf2_xcmvpp11p5x11p7_polym5shield, s8rf2_xcmvpp11p5x11p7_polym4shield, s8rf2_xcmvpp2x4_2xnhvnative10x4, s8rf2_xcmvpp6p8x6p1_polym4shield, s8rf2_xcmvpp11p5x11p7_polym50p4shield, s8rf2_xcmvpp_hd5_*",,,Rules
+vpp_with_Met5,"vpp with cell names: s8rf2_xcmvpp11p5x11p7_m5shield, s8rf2_xcmvpp11p5x11p7_polym5shield, s8rf2_xcmvpp11p5x11p7_lim5shield, s8rf2_xcmvpp8p6x7p9_m3_lim5shield, s8rf2_xcmvpp2x4_2xnhvnative10x4, s8rf2_xcmvpp11p5x11p7_m4shield, s8rf2_xcmvpp11p5x11p7_polym4shield, s8rf2_xcmvpp6p8x6p1_polym4shield, s8rf2_xcmvpp6p8x6p1_lim4shield, s8rf2_xcmvpp11p5x11p7_m3_lim5shield,  s8rf2_xcmvpp4p4x4p6_m3_lim5shield, s8rf2_xcmvpp11p5x11p7_m1m4m5shield, s8rf2_xcmvpp11p5x11p7_m1m4\ns8rf2_xcmvpp11p5x11p7_polym50p4shield, s8rf2_xcmvpp_hd5_*",,,Rules
+cp1m_HV,cp1m AND Hvi,,,Rules (HV)
+de_nFet_drain,((isolated tap) AND areaid.en) overlapping nwell,,,Rules (HV)
+de_nFET_gate,deFET_gate overlapping (diff NOT dnwell),,,Rules (HV)
+de_nFet_source,(diff AND areaid.en) overlapping de_nFET_gate,,,Rules (HV)
+de_pFet_drain,((isolated tap) AND areaid.en) not overlapping nwell,,,Rules (HV)
+de_pFET_gate,deFET_gate overlapping (diff AND dnwell),,,Rules (HV)
+de_pFet_source,(diff AND areaid.en) overlapping de_pFET_gate,,,Rules (HV)
+deFET_gate,"(poly AND areaid.en) not overlapping pwm ; For CAD flows that do not have pwm layer, it is (poly AND areaid.en)",,,Rules (HV)
+Hdiff,Diffusion AND Hvi,,,Rules (HV)
+Hgate,Hpoly AND diff,,,Rules (HV)
+Hnwell,Nwell AND Hvi,,,Rules (HV)
+Hpoly,Poly AND Hvi,,,Rules (HV)
+Htap,Tap AND  Hvi,,,Rules (HV)
+hv_source/drain,= (diff andNot poly) that overlaps diff.hv,,,Rules (HV)
+hvFET_gate,= FET_gate butting hv_source/drain,,,Rules (HV)
+hvPoly,= poly electrically connected to hv_source/drain,,,Rules (HV)
+HV_nwell,(nwell AND hvi) OR (nwell overlapping areaid.hl),,,Rules (HV)
+stack_hv_lv_diff,(diff And Hvi NOT  nwell) abutting (diff NOT  nwell),,,Rules (HV)
+SHVdiff,Diff And shvi,,,Rules (SHV)
+SHVGate,SHVPoly AND diff,,,Rules (SHV)
+SHVPoly,Poly OVERLAP shvi:dg,,,Rules (SHV)
+SHVSourceDrain,Diff And shvi NOT poly NOT diff:rs,,,Rules (SHV)
+VHVdiff,Diff And vhvi,,,Rules (VHV)
+VHVGate,VHVPoly AND diff,,,Rules (VHV)
+VHVPoly,Poly OVERLAP vhvi:dg,,,Rules (VHV)
+VHVSourceDrain,(Diff AND tap) And vhvi NOT poly NOT diff:rs,,,Rules (VHV)
+background,"Area where waffling grid is defined, sized to avoid waffle shift between runs",,,Waffles
+die,Holes (areaid:sl ),,,Waffles
+frame,( areaid.ft SIZE by -(max of s.2e/h)) NOT (OR areaid.dt SEALIDandHole),,,Waffles
+inductor_metal,(inductor:dg AND (met1 OR met2 OR met3)) size by 10 um [For all flows except S8PIR-10R]\ninductor.dg [for the S8PIR-10R flow],,,Waffles
+mm*_slot,mm* slots are defined as empty holes in metal that are located in (areaid.cr OR areaid.cd),,,Waffles
+nwellDnwellHoles,(inner HOLES of nwellAndDnwell). Die+frame utility will use the mask data of nwell and dnwell in the implementation of this definition,,,Waffles
+photoArray,(OR nwellAndDnwell nwellDnwellHoles) enclosing photoDiode. Die+frame utility will use the mask data of nwell and dnwell in the implementation of this definition,,,Waffles
+gate,poly AND diff,,,"pfet, nfet (LVS)"
+nfet,Gate NOT  nwell,,,"pfet, nfet (LVS)"
+pfet,Gate AND nwell,,,"pfet, nfet (LVS)"
+nDiode,Ndiff AND DiodeID,,,Diodes (LVS)
+Pdiff,diff AND nwell,,,Diodes (LVS)
+pDiode,Pdiff AND DiodeID,,,Diodes (LVS)
+diff_hole,Hole( diff ),,,ESD (LVS)
+diff_tap_nwell,tap_nwell INSIDE diff_hole,,,ESD (LVS)
+esd_diff_tap_nwell,ESDID AND diff_tap_nwell,,,ESD (LVS)
+Ndiff,diff NOT nwell,,,ESD (LVS)
+tap_nwell,tap INSIDE nwell,,,ESD (LVS)
+ESD_diffusion,A+B31ny diffusion or ESD_nwell_tap  connected directly or through a resistor to a Pad or to Vss/Vcc that is covered by areaid.ed and located within a double tap guardrings.,,,Latch up rules
+ESD_cascode_diffusion,Diffusion covered by areaid.ed between two minimum spaced poly gates and located within a pair of double tap guardrings. (There should be no licons on the diffusion.),,,Latch up rules
+ESD_diode,Any nwell (other than ESD_nwell_tap ) covered by areaid.ed and areaid.de that does not contain poly,,,Latch up rules
+ESD_FET,(any Pdiff covered by areaid:ed within a double tap guardrings) Or\nESD_NFET,,,Latch up rules
+ESD_NFET,(any Ndiff covered by areaid:ed abutting ESD_nwell_tap) Or (any Ndiff covered by areaid:ed abutting gate within 3.5um of ESD_nwell_tap) Or (any Ndiff abutting ESD_nwell_tap within areaid.ed) a double tap guardrings,,,Latch up rules
+I/O_or_Output_Pmos,ESD P+ diffusion overlapping poly and overlapping ESD source/drain diffusion connected to I/O or output net,,,Latch up rules
+I/O_Pmos_w/series_R,ESD PMOS connected to I/O or output net through series resistors,,,Latch up rules
+met_ESD_resistor,Metal resistor inside areaid:ed,,,Latch up rules
+Non_Vcc_nwell,Any nwell connected to any bias other than power supply,,,Latch up rules
+Nwell_area,Is determined using the following steps:\n(a) Grow pdiff by 1.5 mm\n(b) Merge\n(c) And Nwell:dg,,,Latch up rules
+Pwell_area,Is determined using the following steps:\n(a) Grow ndiff by 1.5 mm\n(b) Merge\n(c) NOT  Nwell:dg,,,Latch up rules
+Series_transistors,Merged diffusion determined by Nwell_area and Pwell_area,,,Latch up rules
+fuse:dg,"met2:fe for S8D*/S8TM*, met3.fe for S8TEE*/S8TNV/S8Q*/SP8TEE-5R/SP8Q*, met4.fe for S8P*/SP8P*",,,Fuse rules
+fuse_contact,(fuse_metal overlapping fuse:dg) NOT fuse:dg,,,Fuse rules
+fuse_metal,"met3 for S8TEE*/S8TNV/S8Q*/SP8TEE-5R/SP8Q*; met2 for S8D*/S8TM*, met4 for S8P*/SP8P*",,,Fuse rules
+fuse_shield,"Metal line (same metal level as fuse) between fuse and periphery, not overlapping contacts or vias, with specified dimensions",,,Fuse rules
+non-isolated fuse edge,Long edge of the fuse spaced to Met2/Met3/Met4  less than a specified amount,,,Fuse rules
+single_fuses,Fuses without neighboring fuses within specified distance,,,Fuse rules
diff --git a/docs/rules/layers/table-c4a-layer-description.csv b/docs/rules/layers/table-c4a-layer-description.csv
new file mode 100644
index 0000000..4c1aa76
--- /dev/null
+++ b/docs/rules/layers/table-c4a-layer-description.csv
@@ -0,0 +1,25 @@
+waffle_chip      ,icfb ver 5.0,icfb ver 5.1
+drawing          ,dg,drw
+pin              ,pn,pin
+boundary         ,by,bnd
+net              ,nt,net
+res              ,rs,res
+label            ,ll,lbl
+cut              ,ct,cut
+short            ,st,sho
+pin              ,pn,pin
+gate             ,ge,gat
+probe            ,pe,pro
+blockage         ,be,blo
+model            ,ml,mod
+optionX (X = 1…n),oX (X = 1..n),opt*(X=1..n)
+fuse             ,fe,fus
+mask             ,mk,mas*
+maskAdd          ,md,mas*
+maskDrop         ,mp,mas*
+waffleAdd1       ,w1,waffleAdd1
+waffleAdd2       ,w2,waffleAdd2
+waffleDrop       ,wp,waf
+error            ,er,err
+warning          ,wg,wng
+dummy            ,dy,dmy
diff --git a/docs/rules/layers/table-c4b-layer-description.csv b/docs/rules/layers/table-c4b-layer-description.csv
new file mode 100644
index 0000000..77f884c
--- /dev/null
+++ b/docs/rules/layers/table-c4b-layer-description.csv
@@ -0,0 +1,82 @@
+waffle_chip,icfb ver 5.0,icfb ver 5.1,,,
+drawing,dg,drw,,,
+pin            ,pn,pin,,,
+boundary       ,by,bnd,,,
+net            ,nt,net,,,
+res            ,rs,res,,,
+label          ,ll,lbl,,,
+cut            ,ct,cut,,,
+short          ,st,sho,,,
+pin            ,pn,pin,,,
+gate           ,ge,gat,,,
+probe          ,pe,pro,,,
+blockage,be,blo,,,
+model,ml,mod,,,
+optionX (X = 1…n),oX (X = 1..n),opt*(X=1..n),,,
+fuse,fe,fus,,,
+mask           ,mk,mas*,,,
+maskAdd        ,md,mas*,,,
+maskDrop       ,mp,mas*,,,
+waffleAdd1     ,w1,waffleAdd1,,,
+waffleAdd2     ,w2,waffleAdd2,,,
+waffleDrop     ,wp,waf,,,
+error          ,er,err,,,
+warning        ,wg,wng,,,
+dummy,dy,dmy,,,
+,,,,,
+Layout Data Name & GDSII No.,Brief description,icfb ver 5.1,"Identifies\n(See WOLF-41, SPR 95111 for more details)",Who,Use
+areaid.sl{81:1},areaid sealring,areaid.sea,The area of the Seal ring,Tech,
+areaid.ww{81:13},areaid Waffle Window,areaid.waf,Used to prevent waffle shifting. When larger than areaid:sl re-defines the placement of waffles. ,Frame,CLDRC
+areaid.dn{81:50},areaid dead Zon,areaid.dea,“deadzone” area in the DieSealR pcell (Seal Ring) for metal stress relief rule checks,Tech,
+areaid.cr{81:51},areaid critCorner,areaid.cri*,For portions of layout that are not to be put in the critical side do to stress constraints. Should be used sparingly and only over the portion of the layout to remove DRC violations. Avoid using a blanket polygon over the entire layout. This layer is to be used instead of using the noCritSideReg verification option in Stress.\n“critical corner” area in the DieSealR pcell (Seal Ring) for metal stress relief rule checks,Tech,Stress
+areaid.cd{81:52},areaid critSid,areaid.cri*,“criticalsid” area in the DieSealR pcell (Seal Ring) for metal stress relief rule checks,Tech,Stress
+areaid.ce{81:2},areaid core,areaid.cor,Memory core (memory cells and approved on-pitch only),Tech,DRC
+areaid.fe{81:3},areaid frame,areaid.fra*,Pads in the frame,Frame,DRC
+areaid.ed{81:19},areaid ESD,areaid.esd,ESD devices- Surrounds any diffusion or ESD nwell tap connected to a signal pad. (only over ESD devices with special poly/tap exemption rules per LFL),"ESD, Des",DRC
+areaid.dt{81:11},areaid die cut,areaid.die,"Location of the die within the frame used in frame builder \ngeneration to create blanking for die and other drop-ins. Also used in cldrc/drc for rules in frame to die edge (waffles, nsm, metals etc)",Frame,Tech
+areaid.mt{81:10},areaid module cut,areaid.mod,Location of e-test modules within the frame used in frame builder generation to create data in scribe lane(example: opaque/clear masks) and to mark location of cells (etest and fab)for frame reports. Also used in drc/cldrc for rules to cell edge.,Frame,Tech
+areaid.ft{81:12},areaid frameRect,areaid.fra*,Boundary of the frame used in frame builder generation to mark boundary of frame. Also used in cldrc/drc for rules to frame edge ,Frame,DRC/CLDRC
+areaid.de{81:23},areaid Diode,areaid.dio,The area occupied by diodes; Used to identify diodes during LVS,All,LVS
+areaid.sc{81:4},areaid standardc,areaid.sta,Cells in the standard cell library (over standard cell IP blocks only) .,Standard cell,DRC
+areaid.st{81:53},areaid SubstrateCut,areaid.sub,"Regions to be considered as isolated substrates (only to designate 2 different resistively connected substrate \nregions, >100um apart)","Tech, Des, ESD","Latch up, LVS, soft"
+areaid.en{81:57},areaid extended drain,areaid.ext,Used to identify the extended drain devices ,"Tech, Des, ESD",LVS
+areaid.le{81:60},areaid LV Native,areaid.lvn,Used to identify the 3V Native NMOS versus 5V Native NMOS,"Tech, Des",LVS
+areaid.po{81:81},areaid photo ,areaid.pho,The areaid id is to identify the dnwell photo diode,"Tech, Des",DRC
+areaid.et{81:101},areaid etest,areaid.ete,Used in etest modules,Frame,DRC
+areaid.ld{81:14},areaid low tap density,areaid.low,"6um tap to diff rule will not be checked in this region\nDiffusion >6u from related tap, requiring >50u from sigPadDiff && sigPadMetNtr).\nShould be used sparingly and only over the portion of the layout to remove DRC violations. This layer is not to be used if a tapping solution can be found. This layer can only be used if there is low risk for latchup. This layer will be reviewed during PDQC.",All,DRC
+areaid.ns{81:15),areaid not-crtical side,areaid .not,"critSideReg stress rules will not be checked in this region\nCannot be placed in the critical side – uncommon, or where stress \nerrors can't be fixed)",All,DRC
+areaid.ij{81:17},areaid injection,areaid.inj,Identify all circuits that are susceptible to injection and ensure no signal-pad connected diffusion is within 100u.\n“areaid.inj” encloses any circuitry deemed sensitive (by design team) to injected substrate areaid.inj encloses any PVT compliant circuitry,All,DRC
+areaid.hl{81:63},areaid.hvnwell,areaid.hvn,"Identify nwell hooked to HV but containing FETs with thin oxide; \nPotential difference across the FET terminals is LV\nUsed over lv devices, operating in lv mode, placed in hv nwells, and should NOT have hvi",All,DRC
+areaid.re{81:125},areaid rf diode,areaid.rfd,Defines rf diodes that need to be extracted with series resistance (memo GCZ-124/125),All,LVS
+areaid.rd{81:24},areaid.rdlprobepad,areaid.rdl,Ignore RDL keepouts when opening up PMM2 ,All,CLDRC
+areaid.sf{81:6},areaid sigPadDiff,,Identify all srdrn diffusions and tap which are intended to be \nconnected to signal pad (io Nets).  Goes over diffusions connected to a signal pad - including through a poly resistor,All,LATCHUP
+areaid.sl{81:7},areaid.sigPadWell,,"Identify all nwells and pwells which are intended to be connected to signal pad (io Nets).  Goes over wells with tap connected to a signal pad, including through a poly resistor",All,LATCHUP
+areaid.sr{81:8},areaid sigPadMetNtr,,"Identify all srcdrn, tap, and wells which are intended to be \nmetallically connected to signal pad (io Nets) not through a resistor.  \nMust be used in unison with areaid.sigPadDifff or areaid.sigPadWell.\nUsed with one of the above 2 areaids, nodes metallically \nconnection to a sigPad (not through res)",All,LATCHUP
+inductor:dg{82:24},ID layer for inductor,,Inductors,"Tech, Des",DRC
+"t1,2,3 {82:26, 27, 28}",terminal labels for inductor,,Labels required by inductor terminals to be recognized as device,"Tech, Des",LVS
+poly:ml {66:83},poly device model,,Model name extraction,"Tech, Des, ESD",LVS
+ncm {92:44},N-Core Implant,,Ncm.dg is available as a drawn layer,All,DRC/CLDRC
+ protect),VPP capacitor,,"Interdigitated, vertical Li1, M1 and M2 capacitor ",All,LVS
+capm_2t.dg,MIM caps (2 terminal model),,ID layer for MIMCAP that will be treated as 2T device,All,DRC/LVS
+cpmm:dg{91},Drawn compatible polyimide layer,,Drawn compatible layer and used only inside S8 RF pad,Frame,
+li1.be{67:10},li1 blockage layer,,Li1 blockage layer used for IP integration (per CWR 137),All,DRC
+met1.be{68:10},Metal1 blockage layer,,Metal 1 blockage layer used for IP integration (per CWR 137),All,DRC
+met2.be{69:10},Metal2 blockage layer,,Metal 2 blockage layer used for IP integration (per CWR 137),All,DRC
+met3.be{70:10},Metal3 blockage layer,,Metal 3 blockage layer used for IP integration (per CWR 137),All,DRC
+met4.be{71:10},Metal4 blockage layer,,Metal 4 blockage layer used for IP integration (per CWR 137),All,DRC
+met5.be{72:10},Metal5 blockage layer,,Metal 5 blockage layer used for IP integration (per CWR 137),All,DRC
+vhvi {74:21},Very High voltage id layer,,Used to identify nodes that operate at 12V nominal (16V max),Des,VHV Rules
+uhvi {74:22},Ultra High voltage id layer,,Used to identify nodes that operate at 20V nominal,Des,UHV Rules
+areaid.e0{81:58},Area extended drain,areaid.ext,Used to identify 20V drain extended devices,Des,LVS
+areaid.zr{81:18},Area zener diode,areaid.zen,Used to identify Zener diodes,Des,LVS
+fom.dy{},FOM dummy,,FOM waffle drawn in this layer,All,Waffles
+prune:dg{84:44},prune,,Areas ignored by LVS ,Frame,LVS
+areaid:cr {81:55},copper pillar (.cuPillar),areaid.cup,"Placement of Cu pillar over the pad area, streamed out to Amkor,  s8pfhd-10r flow only",Die,CLDRC  s8pfhd-10r
+cyprotect.dg {56.44},External F25 layer,cyprotect.dg,Switch to direct streaming to drawn (no protect) or mask layer (with protect),Frame,CLDRC
+cytextmc.dg {50:44},Locations for mask compose,cytextmc.dg,Text to extract placement for Fab25 tool,Frame,CLDRC
+cypsbr.dg {51:44},No phaseshift allowed,cypsbr.dg,Phaseshift layer common to all F25 phaseshift masks,Frame,
+areaid:ag{81:79},analog,areaid.ana,Used to identify analog circuits,All,Analog
+natfet.dg {124:21},DEFETs,natfet.dg,"Add TUNM for SONOS channel implants. See SPR 117559, SGL-529",All,DRC/CLDRC
+areaid:lw,Ultra High voltage id layer, ,Areaid low voltage: UHV box to put all HV/LV curcuits in,All,Analog
+"* To distinguish the layers, the full name of the layer needs to be turned on in the LSW window",,,,,
+"As the layers are displayed in LSW window in icfb version 5.0; For purpose layer displayed in version 5.1, pls refer table C3"