Tangible personal property will be exempt from sales tax as of January 1, 2002, if it meets the following requirements: if it is purchased from an Illinois retailer by a Illinois taxpayer who is engaged in centralized purchasing, is stored temporarily for the purpose that it will be transported outside the state for use or consumption solely outside of Illinois or if it is somehow related to other tangible personal property to be used or consumed solely outside of Illinois. (P.A. 92-0488 (S.B. 730), Laws 2001)