Here are a few things that you might want to remember to take a long with you.

Ceremony location -------------------------------------
Date --/--/--
Time -------------

Things to have at hand for the big day

Toast to bride & groom
Tuxedo or suit
Tie
Cufflinks
Handkerchief
Shoes and socks
Comb or/and brush
Hair gel
Breath mints
Toothpaste/brush
Razor, shaving cream
Deodrant
Aftershave
Money, credit card
Driver`s license
Any medications
Clothing for rehearsal dinner
I.D. Tags for going away luggage for bride and groom
Present for the bride and groom

Name of tuxedo rental store --------------------------------------------
Date and time of fitting ------------------------------------
Pickup date and time ----------------------------------
Store address -------------------------------------------
Store phone number -------------------------------------
Cost of tuxedo ------------------------------
Extra notes ------------------------------------