| Type | Remarks |
| QxP | Printed panel in current quarter's data |
| QxI | Panel not printed in current quarter's data |
| DLC | Printed/not printed panel in DLG data |
| DLP | Printed panel in DLG data |
| DLI | Panel not printed in DLG data |
| PFP | Printed panel with enhanced details (such as floodways, per old specifications) |
| PFI | Panel not printed (per old specifications for enhanced layers) |
| PF1 | Definition pending |
| PFC | Printed/not printed panel (as per old specifications) |
| P2P | Printed panel (without floodways, per current specifications) |
| P2I | Panel not printed (per current specifications) |
| P2C | Printed/not printed panel (per current specifications) |
| NMP | Never mapped area |
| NMA | If a valid zone is not available, flood zone is listed as NMA for never mapped areas. |
| QxC | Printed/not printed panel in current quarter's data |