(1) The National House

(a) may on its own initiative, and

(b) shall at the request made to it in writing by the Minister or by a Joint Committee comprising representatives of all the Regional Houses consider whether a rule of customary law should be assimilated by the common law

(2) Where the National House is of the opinion that the rule should be assimilated by the common law, it shall draft a declaration describing the rule, with the modifications that it considers necessary, after considering the evidence and representations that have been submitted to it and after carrying out the appropriate investigations.

(3) The draft shall be submitted to the Minister who may by legislative instrument give effect to the recommendations of the National House and declare the rule to be assimilated in the form specified in the instrument after consultation with the Attorney-General.