Assign Different Mailing Certifications to 5164 Labels
When you create more than one label, each one can have it's own unique mail certification.
From the New Documents Menu, select Mailing Labels Avery 5164
From the Address Book, select the records you want
Click on each name in the Recipients Selected area and a corresponding numbered position of the label sheet
When all of the records have been assigned a position, press Next
Select a name in the Recipients area and select a Mailing Certification
Press the right arrow key and repeat until all recipients have a certification.