
| CODE | EXPLANATION |
| AA | OA meeting studying AA literature |
| BB | Big Book Study |
| C | Chips given for lengths of abstinence |
| HC | Handicap facilities available |
| HOW | Special HOW format - suggestions for recovery |
| L | Literature study |
| NC | Newcomer's meeting (usually 1/2 hour prior to meeting time unless otherwise noted) |
| P | Participation meeting |
| S | Speaker meeting |
| S/S | Step Study |
| Q&A | Questions & Answers |
| W | Writing meeting |