Tabbing - Wafer seals are applied to a mail piece to secure it closed and to help qualify the mail for automation rates. Hand Match - 2 or more items in a mail piece are individually matched. An example would be a personalized lasered letter and it's corresponding ink-jetted reply card. The information includes tier of service, post office of origination, and the permit holder. The mailing house will be able to arrange for use of their permit if necessary.
Different tiers require different indicia's.
Stamp - A stamp is applied to the mail piece in the event an indicia is not printed. Live stamping is commonly done 'in-line' with inkjet labeling. Recipients enjoy a neater, cleaner appearance when a live stamp is used. Commonly done 'in-line' with inserting. Endorsement messages can be included.