It is mandatory that all departments mailing 1st Class with 500 or more pieces use 1st Class Bulk Mail.
1st Class Bulk Mail Procedures
- Must be 500 or more pieces
- Need the permit #6 indicia in the upper right hand corner or be metered by the Mail Room
- Must be in zip code order
- Must be exact in weight and content, unless they are metered by the Mail Room
- No international mail in bulk 1st class
After the above requirements have been met, the department must mark the mailing with the function number that is to be charged.