Section 157, The Mines and Minerals Act, 2009

(1) Royalties, import duty and any annual charge payableunder this Part, are debts due to the Government and are recoverable in a court of competent jurisdiction. (2) In proceedings pursuant to subsection (1), a certificate of the Minister certifying that a charge of a specified amount, is payable by an identified person shall be received as evidence of the fact but without prejudice to the right to adduce evidence in rebuttal. (3) Where two or more persons constitute the holder of a licence when royalty becomes payable, those persons are jointly and severally liable for the payment of royalty or any annual charges but without prejudice to any right to contribution pursuant to any agreement, express or implied, existing between them.