Mo. Rev. Stat. § 408.554
2. Except as provided in subsection 4 of this section, the notice shall be in writing and conspicuously state: The name, address and telephone number of the lender to whom payment is to be made, a brief identification of the credit transaction, the borrower's right to cure the default, and the amount of payment and date by which payment must be made to cure the default. A notice in substantially the following form complies with this subsection:
(name, address, and telephone number of lender)
(account number, if any)
(brief identification of credit transaction)
(amount) is the AMOUNT NOW DUE
(date) is the LAST DAY FOR PAYMENT
You are late in making your payment(s). If you pay the AMOUNT NOW DUE (above) by the LAST DAY FOR PAYMENT (above), you may continue with the contract as though you were not late. If you do not pay by that date, we may exercise our rights under the law.
3. If the loan transaction is an insurance premium loan, the notice shall conform to the requirements of subsection 2 of this section and a notice in substantially the form specified in that subsection complies with this subsection, except for the following:
4. If a credit transaction is secured, the notice described in this section shall further state the following:
"If you voluntarily surrender possession of the following specified collateral, you could still owe additional money after the money received from the sale of the collateral is deducted from the total amount you owe.".
(L. 1979 S.B. 305, A.L. 1992 S.B. 705, A.L. 2021 S.B. 106)