Sec. 7. (a) As used in this chapter, "rental agreement" means an agreement together with any modifications, embodying the terms and conditions concerning the use and occupancy of a rental unit.
(b) The term includes an agreement, regardless of what the agreement is called, that satisfies the following:
(1) The agreement is entered into after June 30, 2008.
(2) The agreement provides for a rental period, explicitly or implicitly, regardless of the term of the rental period.
(3) The agreement contains an option to purchase.