NIM01298 - Class 1 structural overview: abolition of secondary NICs for those employees under the age of 21: category letters
| New under-21 category letter | Description | Existing equivalent category letter for those over 21 |
|---|---|---|
| M | Standard rate contributions | A |
| Z | Deferred rate contributions | J |
| Y | Mariners聽standard rate contributions | R |
| P | Mariners聽deferred rate contributions | Q |