13. The registrar appointed by the Minister of Natural Resources and Wildlife shall(1) keep the public register of real and immovable mining rights;
(2) make in the register a summary entry of such rights and their renewal, transfer, surrender, abandonment, revocation or expiry, and keep in the register the titles evidencing those rights;
(3) register any other instrument relating to the following mining rights: — mining leases;
— mining concessions;
— leases to mine surface mineral substances;
— leases to produce petroleum and natural gas;
— leases to operate an underground reservoir; and
— authorizations to produce brine;
(4) register promises to purchase relating to claims.