Mo. Rev. Stat. § 443.861: Transfer or sale of residential mortgage, notice to be given to mortgagor, contents.

Whenever the servicing of a residential mortgage is transferred or sold by a residential mortgage loan broker, notice shall be given to the mortgagor simultaneously with such transfer and shall include, at the minimum, where and to whom to address the mortgagor's questions relating to the residential mortgage, the exact name, address and telephone number to whom at least the next three months' payments are to be submitted and the total amount required of the mortgagor by the servicer for each of the months referred to in the notice.