The main Post office on Collins Road in Lansing will be open until midnight on Monday April 17.
This is so last minute filers can get their returns stamped and mailed off in time.
The postal service reminds filers to use first class postage, and include a return address.
Also, make sure bulky envelopes are sealed correctly and any package weighing more than 16 ounces must be taken to a clerk to mail.
Viewers with disabilities can get assistance accessing this station's FCC Public Inspection File by contacting the station with the information listed below. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, 888-835-5322 (TTY), or email@example.com.