The following chart is an excerpt from the Alberta Land Titles Office (LTO) submission specification:
| Layer/Level | LTO Layer/Level Specification Description |
|---|---|
| 8 | Outline / Inline Area To Be Registered |
| 13 | Symbols (IP Planted, IP Fd., Drill Holes, Etc.) and associated text |
| 17 | Section, Block Lines, Unbroken Within Area To Be Registered |
| 19 | Lot/Condo Unit Numbers Within Area To Be Registered |
| 20 | Block Numbers Within Area To Be Registered |
| 22 | Line Bearings, Distances, Lot Dimensions, Arc, Radius, Chord Info B and E of Curve, Delta (Text) Within Area To Be Registered and associated lead lines, arrowheads and dimension linework |
| 24 | Lot Lines Unbroken Within Area To Be Registered; including Bareland Condominium Unit Boundary |
| 26 | Right-Of-Way Plan - Dimensions And Distances include assoc. lead lines, arrowheads and dimension linework Within Area To Be Registered |
| 28 | Right Of Way Linework, intersecting/unbroken At IP Symbols for new R/W plans |
| 33 | Location/Place Name (City, Town, County, Municipal District) |
| 35 | Georeference Point (RP) Symbol and Text: The entire drawing should be moved to the georeferenced point. The point is to be identified by a symbol. The centre of the symbol must have the correct absolute coordinates. The symbol consists of a concentric circle around the appropriate (planted or found) IP symbol. Place the “RP” text next to RP symbol. See examples below: Planted IP: Found IP: |
In DGN V8 files, the Structure (layer) check may fail if there are reference files attached.