http://www.legislation.gov.uk/apni/1964/33/section/31ACharities Act (Northern Ireland) 1964An Act to replace, with new provisions, certain existing enactments relating to charities; to make further provision with respect to gifts to charity and gifts for mixed charitable and non-charitable purposes; and for purposes connected with those matters.texttext/xmlenStatute Law Database2017-06-16Expert Participation2016-01-01 PART IV31AThe Department may by order subject to affirmative resolution amend sections 13(1), 14(1) and 24(1) by substituting for any sum specified in any of those provisions such other sum as the Department considers appropriate.1987 NI 19