Which of the following is NOT a type of endorsement that allows standard mail to be forwarded?

The correct answer is the choice regarding Standard Service Request, as it is not recognized as a type of endorsement for forwarding standard mail. In postal services, endorsements are specific mechanisms that tell the USPS how to handle mail pieces, particularly regarding forwarding or return to sender actions.

Forwarding Service Request, Temporary Service Request, and Address Service Request are all established forms of endorsements in the mailing process. The Forwarding Service Request allows mail to be forwarded to a new address for a specified period, while the Temporary Service Request is focused on forwarding mail during a particular timeframe, such as when a recipient is away. On the other hand, the Address Service Request provides instructions for handling mail that may have incorrect or outdated addresses, ensuring that mail can still reach the intended recipient or be returned correctly.

Since Standard Service Request is not a recognized term in the context of endorsements for forwarding mail, it is clear that this is the option that does not belong with the others.