400
Discount Mail Parcels
Design Standards
401 Physical Standards
402 Elements on the Face of a Mailpiece
430 First‑Class Mail
433 Rates and Eligibility
434 Postage Payment and Documentation
435 Mail Preparation
436 Enter and Deposit
440 Standard Mail
443 Rates and Eligibility
444 Postage Payment and Documentation
445 Mail Preparation
446 Enter and Deposit
450 Parcel Post
453 Rates and Eligibility
454 Postage Payment and Documentation
455 Mail Preparation
456 Enter and Deposit
460 Bound Printed Matter
463 Rates and Eligibility
464 Postage Payment and Documentation
465 Mail Preparation
466 Enter and Deposit
470 Media Mail
473 Rates and Eligibility
474 Postage Payment and Documentation
475 Mail Preparation
476 Enter and Deposit
480 Library Mail
483 Rates and Eligibility
484 Postage Payment and Documentation
485 Mail Preparation
486 Enter and Deposit