Premise: How to become a contract delivery service for the united states postal service<br>Make sure you understand the requirements associated with being a contract delivery service. [substeps] You are required to sort mail for your route, drive to your route in your own vehicle, deliver mail to all addresses, and return to the post office at the end of your day. Decide if you are available to work the hours the usps requires of you.
Hypothesis: united states postal service was used by katherine