Keep the following for closed games:
It is recommended that closed games be put in waterproof bags and stored in sturdy, stackable storage boxes, and to use a storage area not susceptible to flooding.
On the outside of each box, write the following:
Games must be kept in a secured area for 3-1/2 years after the month in which the game receipts were reported on the LG100A.
More games can be stored in a smaller space by using storage boxes rather than the original game boxes.
Game records must be stored in a secured area in the state of Minnesota.