; and (II) no regular compensation may be paid to such applicant during the remainder of such benefit year unless the applicant tests negative for controlled substances at the end of such period; and (ii) if such test result is not the first positive test result for such applicant in the benefit year, no regular compensation may be paid to such applicant during the remainder of such benefit year. (C) A high-risk applicant receiving benefits with respect to a benefit year shall be subject to testing for controlled substances by the State at any time during the benefit year, with limited notice provided to the applicant of such testing. (D) A high-risk applicant who is tested for controlled substances under— (i) subparagraph (A) or (C) shall be responsible for the cost of such test if the individual tests positive for any such substance; and (ii) subparagraph (B)(i)(II) shall be responsible for the cost of such test. (2) For purposes of this subsection— (A) the term benefit year means the benefit year as defined in the applicable State law; (B) the term controlled substance — (i) means a drug or other substance selected by the State to be included in drug testing under this subsection; and (ii) does not include any drug or other substance used by the applicant pursuant to a valid prescription or as otherwise authorized by law; (C) the term high-risk applicant , with respect to a benefit year, means an individual who is determined by the State to have a high risk of substance abuse based on the results of a substance abuse risk assessment administered under paragraph (1)(A)(i)