When a subsequent home improvement installment sale is made, the contractor shall deliver to the buyer, at the time the contract is executed, a memorandum which shall set forth the following with respect to the subsequent sale:
Followed, if there be but one larger installment by:
An installment of $............ will be due on .............., or if there be more than 1 larger installment, by: Larger installments will be due as follows: .............. (insert the amount or amounts of every larger installment and its due date).
The items need not be stated in the sequence or order set forth above. Additional items may be included to explain the computations made in determining the amount to be paid by the buyer. The memorandum need not make any reference to items (e), (f) or (k) if a charge for the item is not included. The memorandum shall contain the statement that the contractor is adding the subsequent home improvement installment sale to the buyer's existing contract in accordance with the provisions thereof. Until the contractor delivers to the buyer the memorandum as provided in this section, the buyer shall not be obligated to pay any installment due.
MCL 445.1308