| Answer | Crossword Clue |
|---|---|
| USPS | Priority Mail agcy. |
| SPECIALDELIVERY | Priority mail service |
| USPS | Priority Mail org. |
| USPS | Priority mail grp. |
| RUSH | Rubber stamp for top-priority mail. |
| IRS | Agcy. that gets a flood of mail in April |
| IRS | Agcy. that gets a lot of mail on April 16 |
