Can be included
- Collaterall designed
- Free / Complementary samples
- Perishable items with a minimum 2 weeks shelf-life
Can't be included
- Anything on the prohibited item list
- Items for which a fee is payable by the addressee, or items mailed on a sale or return basis
- Items which are required to be sent by law or as part of a contract
- Newsletters, mailing notices, election material, bills, invoices or financial statements