Given a text, write a compressed version of it in a single sentence.

Your annual membership in the IUPUI Metro Athletic Club for 1991 is renewable now. Please recall that we are on a January 1 - December 31 calendar year basis, having made that transition beginning with 1990.
Your yearly athletic club membership is now renewable. Please remember we are on a January 1st to December 31st calendar starting in 1990.