; and (2) during which the employee would otherwise be in a duty status. 752. Limitations on use of official time for certain purposes and individuals (a) Political activities and lobbying Notwithstanding section 7131 of title 5 or any other provision of law, any employee of the Department may not use official time to carry out political activities or activities relating to lobbying. (b) Prohibition on use of official time by certain employees The following employees of the Department may not use official time for any purpose: (1) Any employee appointed under section 7401(1) of this title. (2) Any employee with an annual rate of basic pay equal to or greater than $100,000. (3) Any employee who is serving a probationary period. (c) Limitation on all employees Any employee of the Department not covered by subsection (b) may spend no more than 25 percent of the time such employee would otherwise be in a duty status on official time. (d) Official time defined In this section, the term official time has the meaning given such term in section 751(c) of this title. 753. Termination of collection of dues Notwithstanding section 7115 of title 5, any exclusive bargaining agreement entered into pursuant to chapter 71 of such title by the Department shall provide that an employee of the Department may terminate a voluntary allotment for the payment of dues at any time. Any deductions for dues made pursuant to such allotment shall cease beginning on the first pay period after the termination is made. . (b) Applicability Sections 752 and 753 of title 38, United States Code, as added by subsection (a), shall apply with respect to any collective bargaining agreement entered into before, on, or after the date of enactment of this Act. (c) Clerical amendment The table of sections at the beginning of such chapter is amended by adding at the end the following: Subchapter IV—LABOR MANAGEMENT 751. Records on use of official time. 752. Limitations on use of official time for certain purposes and individuals. 753. Termination of