If, under an initial claim filed on or after January 1, 1988, temporary total disability benefits are reopened under § 9-736(b) of this title, the employer or its insurer shall pay the covered employee compensation that equals two-thirds of the average weekly wage of the covered employee, but: does not exceed the lesser of: the average weekly wage of the State on the date of reopening; or 150% of the initial award; and is not less than the initial award. The employer or its insurer shall pay the compensation for the period that the covered employee is temporarily totally disabled.