Mo. Rev. Stat. § 40.036: Jails and prisons required to keep prisoners, when — official's duties.

1. No provost marshal, commander of a guard, warden, keeper, or officer of a city or county jail or any other jail, penitentiary, or prison designated under section 40.035 may refuse to receive or keep any prisoner committed to his charge, when the committing person furnishes a statement, signed by him, of the offense charged against the prisoner.

2. Every commander of a guard, warden, keeper, or officer of a city or county jail or of any other jail, penitentiary, or prison designated under section 40.035, to whose charge a prisoner is committed shall, within twenty-four hours after that commitment or as soon as he is relieved from guard, report to the commanding officer of the prisoner the name of the prisoner, the offense charged against the prisoner, and the name of the person who ordered or authorized the commitment.