http://www.legislation.gov.uk/apni/1968/12/section/15Poultry Improvement Act (Northern Ireland) 1968An Act to enable provision to be made for the assistance or improvement of the poultry industry; to secure improvements in the produce of establishments for the breeding, hatching or rearing of poultry by making fresh provision for the regulation of such establishments; to authorise schemes for the testing of poultry; and for purposes connected with those matters.texttext/xmlenStatute Law Database2013-11-202009-10-01 151The Poultry Hatcheries Act (Northern Ireland) 1950 (in this Act referred to as “the Act of 1950”) is hereby repealed.Subs. (2)(3) rep. by SLR 19804A licence issued by the Ministry under the Act of 1950 which is in force at the passing of this Act shall continue in force according to its tenor and shall be deemed to be a poultry stock licence.1950 c. 18