A. The dollar limitations described in §§ A261-62 through A261-81 shall not reduce any benefit which was accrued by a member under the pension plan prior to the first day of its limitation year beginning in 1983, using the applicable maximum dollar limitations then in effect; provided, however, that this sentence shall not apply to any member unless he was a member in the pension plan before January 1, 1983. For the purpose of this § A261-83A, no change in the pension plan after July 1, 1982, and no cost-of-living adjustment after July 1, 1982, shall be taken into account.
B. The dollar limitations described in §§ A261-61 through A261-81 shall not reduce any benefit which was accrued by a member under the pension plan prior to the first day of its limitation year beginning in 1987, using the applicable maximum dollar limitations then in effect; provided, however, that this sentence shall not apply to any member unless he was a member in the pension plan on January 1, 1983. For the purpose of this § A261-83B, no change in the prior plan after May 5, 1986, and no cost-of-living adjustment after May 5, 1986, shall be taken into account. Any change in the terms and conditions of this pension plan made pursuant to a collective bargaining agreement ratified before May 6, 1986, shall be treated as a change made before May 6, 1986.