(b) All persons selling premises shall, prior to the signing of a purchase and sale agreement, provide a copy of the form and other materials prepared pursuant to subsection (a) to the prospective purchaser. Effective May first, nineteen hundred and ninety-four, all persons leasing premises with an option to purchase such premises shall, prior to the signing of the lease with an option to purchase, provide a copy of the form and other materials prepared pursuant to subsection (a) to the lessee-prospective purchaser. In addition to and at the time of providing said notification, the lessor-prospective seller shall provide the lessee-prospective purchaser with any letter of interim control for the premises issued pursuant to subsection (b) of section one hundred and ninety-seven, or any letter of full compliance for the premises issued pursuant to subsection (c) of said section, and such seller and any real estate agent involved in the sale shall disclose to the prospective purchaser any information known to the seller or real estate agent about the presence of paint, plaster, or other accessible structural materials containing dangerous levels of lead in the premises.
(1) The lessee-prospective purchaser shall also be informed by the lessor-prospective seller and any such real estate agent about the availability of inspections for dangerous levels of lead. If, after receiving said notice, the lessee-prospective purchaser chooses to have an inspection done, the lessor-prospective seller shall afford the lessee-prospective purchaser a period of ten days or such longer time as the parties may agree to have such inspection performed, through a lead inspection contingency provision in the purchase and sale agreement, or otherwise.