The payment schedule for Michigan IRP:

EXPIRATION DATERENEWAL DUEPAYMENT DUE
January 31December 14January 21
February 28/29January 14February 18
March 31February 14March 21
April 30March 14April 20
May 31April 14May 21
June 30May 14June 20
July 31June 14July 21
August 31July 14August 21
September 30 August 14September 20
October 31September 14October 21
November 30October 14November 20
December 31November 14December 21

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