| Print Grade |
Criteria |
| 0 |
No development of fingerprint |
| 1 |
Evidence of a fingerprint but <1/3 of the fingerprint showing continuous ridges |
| 2 |
Between 1/3 and 2/3 of the fingerprint showing continuous ridges |
| 3 |
>2/3 of the fingerprint showing continuous ridges |
| 4 |
Full development – whole mark has clear and continuous ridges |