to or from) and other work that is critical to a review in an amount equal to one and one-half times the hourly rate of basic pay of the employee. All of such amount shall be considered to be premium pay. (2) Limitation on overtime pay to an employee An employee of the Board may not receive overtime pay under paragraph (1), for work performed in a calendar year, in an amount that exceeds 25 percent of the annual rate of basic pay of the employee for such calendar year. (3) Basic pay defined In this subsection, the term basic pay includes any applicable locality-based comparability payment under section 5304 of title 5, United States Code (or similar provision of law), and any special rate of pay under section 5305 of such title 5 (or similar provision of law). (4) Annual report Not later than 2 years after the date of enactment of this Act, and annually thereafter, the Board shall transmit to Congress a report identifying the total amount of overtime payments made under this subsection in the preceding fiscal year, and the number of employees whose overtime pay under this subsection was limited in that fiscal year as a result of the 25 percent limit established by paragraph (2). (i) Entry and inspection (1) In general An officer or employee of the Board, on display of appropriate credentials and written notice of authority, may— (A) enter an area where an incident has occurred