The WRITEQ function is supported.
| Operand | Support | 
| AUXILIARY | Full | 
| FROM (data-area) | Full | 
| ITEM (data-area) | Full | 
| LENGTH (data-value) | Full | 
| MAIN | Full | 
| NOSUSPEND | Validated | 
| NUMITEMS (data-area) | Full | 
| QNAME (data-value) | Full | 
| QUEUE (data-value) | Full | 
| REWRITE | Full | 
| SYSID (data-value) | Full |