in addition to all other elements mandated by previous law. 302. Rule of construction Nothing in this Act shall be construed to limit the authority or obligation of the President to apply the sanctions described in section 104 of the North Korea Sanctions and Policy Enhancement Act of 2016 ( 22 U.S.C. 9214 ), as amended by section 101 of this Act, with regard to persons who meet the criteria for designation under such section. 303. Regulatory authority (a) In general The President shall, not later than 180 days after the date of the enactment of this Act, promulgate regulations as necessary for the implementation of this Act and the amendments made by this Act. (b) Notification to Congress Not fewer than 10 days before the promulgation of a regulation under subsection (a) , the President shall notify and provide to the appropriate congressional committees the proposed regulation, specifying the provisions of this Act or the amendments made by this Act that the regulation is implementing. 304. Limitation on funds No additional funds are authorized to carry out the requirements of this Act or of the amendments made by this Act. Such requirements shall be carried out using amounts otherwise authorized.