Subject to subsection (b) of this section, on the written request of an employee to pay dues to an organization by payroll deduction, the Central Payroll Bureau shall: deduct the dues from the employee's wages; and timely pay over the amount deducted to the organization. An employee may cancel a payroll deduction of organization dues by written notification to the Central Payroll Bureau. The Central Payroll Bureau may deduct dues under this section only for: an organization that has a membership of 1,000 or more State employees; an organization for which the potential field of membership is limited to fewer than 1,000 State employees, if the Governor has approved the deduction for that organization; or an organization for which payment of dues by payroll deduction was authorized on or before June 29, 1983. The State Comptroller shall adopt regulations to carry out this section.