Section 550.187 - Transitional provisions(a) Except as provided in paragraph (b) of this section, not later than the first day of the first pay period beginning on or after October 30, 1994, each criminal investigator qualified to receive availability pay and the appropriate supervisory officer (as designated by the agency head or authorized designee) shall make an initial certification to the head of the agency that the investigator is expected to meet the substantial hours requirement in § 550.183 . The head of an agency may prescribe procedures necessary to administer this paragraph.(b)(1) In the case of criminal investigators who are employed in offices of Inspectors General and who, immediately prior to September 30, 1994, were not receiving administratively uncontrollable overtime pay, or were receiving such pay at a rate of less than 25 percent, the employing office may delay implementation of availability pay; however, availability pay shall be implemented (in accordance with §§ 550.181 through 550.186 ) no later than-(i) September 30, 1995, for investigators who are not receiving administratively uncontrollable overtime pay; or(ii) The first day of the last pay period ending on or before September 30, 1995, for investigators who were receiving administratively uncontrollable overtime pay at a rate of less than 25 percent immediately prior to September 30, 1994.(2) A criminal investigator who is employed in an Inspector General office and was receiving administratively uncontrollable overtime pay at a rate of less than 25 percent immediately prior to September 30, 1994, shall continue to receive at least that rate or a higher rate, if increased by the employing agency, until the availability pay provision is implemented for the position (no later than as provided in paragraph (b)(1)(ii) of this section).(3) Implementation of availability pay for criminal investigators under paragraph (b)(1) of this section shall be in accordance with the requirements and conditions set forth in §§ 550.181 through 550.186 . For qualified investigators, an initial certification shall be made, consistent with paragraph (a) of this section.59 FR 66151, Dec. 23, 1994