There are different postage statements for each class of mail (e.g., First-Class Mail, Standard Mail) and each method of postage payment (e.g., permit imprint). There also are separate postage statements for nonprofit Standard Mail. The titles of the postage statements are self-explanatory, so you’ll easily find the statement that’s right for your mailing. There are many different ways to get the postage statement you need:

TIP
--"Postage affixed" in the title of the postage statement means that you have put precanceled stamps or a postage meter stamp on your mail.

Tips on filling out a postage statement.

Instructions for filling out for Form 3602EZ, Presorted Standard Mail cards, letters, and flats. Most beginning mailers will use this postage statement.
Once the postage statement is filled out you are ready to take your mail to the post office.