| Feature | Permissible Feature |
| Tight knots | Not exceeding 15mm or ¼ of the surface on which it occurs |
| Loose knots | Not permitted |
| Holes | Not exceeding - 2mm largest dimension - 6 in any 100x100 area - 12 in any 300x300 area
|
| Slope of grain | Not exceeding 1 in 8 |
| Tight gum veins | Not exceeding - surface width measured across feature, 2mm - individual length, 250mm - aggregate length, ½ the length of the piece
|
| Loose gum veins | Not permitted
|
| Gum pockets, latex pockets and overgrowth injury | Not permitted
|
| Knot checks | Not permitted |
| Checks other then internal | Width not exceeding 1mm
Individual length not exceeding 250mm |
| Stain - Natural Discolouration - Other discolouration inc. sticker marks |
Slight
|
| Black speck | Slight |