(1) "Major systems" includes, but is not limited to, the roof, walls, floors, heating, air conditioning, plumbing, electrical systems or components of a similar or comparable nature, and recreational facilities.(2) Delivery to a prospective buyer of the written statement required by this section shall be deemed effected when delivered personally or by mail to the prospective buyer or to an agent thereof, or to a spouse unless the agreement provides to the contrary. Delivery shall also be made to additional prospective buyers who have made a request therefor in writing.(3) "Prospective buyer" includes any person who makes an offer to purchase a unit in the condominium, community apartment project, or stock cooperative.