IHTM03232 - IHT references: XA case types - formats
The XA case type is used to create records for specific purposes only. Each type of record is held on ALF for a suitable period. At the end of this the record will automatically be deleted from ALF. The formats, purpose and retention periods are detailed below
| Valid XA prefix | Retained for | |
| XSP | Identifying surviving spouses/civil partners that inherit assets of significant value | 30 years |
| XS218 | Section 218 claims | 30 years |
| XKIW | Killed in War claims | 10 years |
| XPOA | Pre owned assets | 30 years |
| XRR | Risk and research | 30 years |
| XREF | IHT reference | 30 years |
