| Approved without change | Revision of a currently approved collection | 1981-03-31 | |
| Approved with change | No material or nonsubstantive change to a currently approved collection | 1981-01-14 | |
| Approved with change | No material or nonsubstantive change to a currently approved collection | 1978-09-28 | |
| Approved without change | Reinstatement with change of a previously approved collection | 1976-02-25 |