http://www.legislation.gov.uk/apni/1933/5/section/2Destructive Imported Animals Act (Northern Ireland) 1933An Act to make provision for prohibiting or controlling the importation into and the keeping within Northern Ireland of destructive non-indigenous animals, for exterminating any such animals which may be at large, and for purposes connected with the matters aforesaid.texttext/xmlenStatute Law Database2021-07-21Expert Participation2020-12-31 2For the purpose of enabling effect to be given to orders made under the foregoing section of this Act, the Ministry of Agriculture may—amake regulations with respect to the ports and other places at which musk rats may be imported under a licence, the form of container to be used for their transport from place to place, the nature of the premises upon which, and the manner in which, musk rats may be kept under a licence, and the precautions to be taken against their escape;bprescribe the forms of licences to be used under this Act, the duration of such licences and the conditions to be attached thereto; andcwith the approval of the Ministry of Finance, prescribe the fees to be charged in respect of the grant or renewal of such licences.