undelivered first class mail

undelivered first class mail Sec. 122. Subsection (a) of section 4106 of title 39, United States Code, is amended to read as follows: “(a) The Postmaster General shall notify the sender or addressee upon request by the sender or addressee, when mail is undelivered as addressed, of the reason for the nondelivery, and in the case of the notice to the sender, the new address of the addressee if known. The Postmaster General shall prescribe a uniform charge to be collected for the service performed pursuant to this subsection.”