Official Grain Grading Guide
List of revisions
| Date | Corrective Action Request (CAR) | Chapter | Remarks | PDF page number |
|---|---|---|---|---|
| August 1, 2026 | 0348 | Chapters 4 to 8, Chapters 10 to 23 | The definition for non-registered varieties has been clarified. | 4-12, 5-7, 6-12, 7-8, 8-8, 10-9, 11-8, 12-9, 13-10, 14-7, 15-4, 16-9, 17-5, 18-10, 19-6, 20-8, 21-6, 22-5, 23-5 |
| August 1, 2026 | 0348 | Chapters 4 to 8, Chapters 10 to 23 | The definition for variety (VAR) has been clarified. | 4-32, 5-15, 6-24, 7-18, 8-16, 10-18, 11-15, 12-21, 13-17, 14-15, 15-10, 16-17, 17-12, 18-20, 19-15, 20-19, 21-14, 22-11, 23-10 |
| August 1, 2026 | 0348 | Wheat | The definitions and procedures for darkened kernels and severely darkened kernels (DRKND KRNL, SEVDRKND KRNL) have been added. | 4-17 |
| August 1, 2026 | 0348 | Wheat | In CWAD, tolerances for penetrated smudge (PENT SM) have been revised and tolerances for the total of severe midge (SEVMDGE) and penetrated smudge (PENT SM) have been added. | 4-40 |
| August 1, 2026 | 0348 | Wheat | The definition of ruptured kernels (RUP) has been clarified. | 4-26 |
| August 1, 2026 | 0348 | Wheat | The definitions for smudge (SM) and penetrated smudge (PENT SM) have been updated. | 4-28 |
| August 1, 2026 | 0348 | Wheat | The definition for superficial discolouration (SUPDISCLR) has been removed. | 4-31 |
| August 1, 2026 | 0348 | Wheat | The abbreviation for contrasting classes (CON CL) has been corrected in the wheats of other classes (WOOC) table | 4-34 |
| August 1, 2026 | 0348 | Oats | The procedures for assessing damage (DMG) and sprouted (SPTD) in oats have been clarified. | 7-11, 7-16 |
| August 1, 2026 | 0348 | Lentils | The reference to varieties has been removed from classes and types | 18-3 |
| August 1, 2026 | 0348 | Lentils | The definition and procedures for contrasting colours (CON CLR) have been updated | 18-14 |
| August 1, 2026 | 0348 | Lentils | The definition for contrasting classes (CON CL) has been removed. | 18-14 |
| August 1, 2026 | 0348 | Soybeans | Soft fertilizer pellets are no longer included as foreign material other than grain (FMXGRN) | 20-13 |
| August 1, 2026 | 0348 | Canary seed | A clarification regarding foreign material and dockage has been made. | 23-11 |
| August 1, 2026 | 0348 | Standard abbreviations | Abbreviations for commercial salvage, contaminated grain, darkened kernels, and severely darkened kernels have been added. | 27-2, 27-3, 27-9 |
| August 1, 2026 | 0348 | Glossary | The definition for bleached has been removed. | 28-2 |
| August 1, 2026 | 0348 | Glossary | The definition of large seeds has been updated to include soybeans. | 28-12 |
| August 1, 2026 | 0348 | Glossary | Definitions for variety and variety name have been added. | 28-22 |
| July 1, 2026 | 0348 | Moisture testing | Updated chart numbers for lentils, other than red | 2-5 |
| July 1, 2026 | 0348 | Wheat | For CEAD, tolerances updated for penetrated smudge, and tolerances added for severe midge and for total severe midge and penetrated smudge | 4-62 |
| July 1, 2026 | 0348 | Corn | Updated heated definition and added information on how to obtain the Canadian Grain Commission visual image guide for heated corn | 17-10 |
| July 1, 2026 | 0348 | Corn | Added grading factor information for red streak | 17-10 |
| July 1, 2026 | 0348 | Active Grain Standards and Guides list | Updated to reflect the revised active standards and guides list | 29-3 |