on plans during partition (1) In general The corporation may impose, by regulation, reasonable conditions on an eligible multiemployer plan that is partitioned under section (a) relating to increases in future accrual rates and any retroactive benefit improvements, allocation of plan assets, reductions in employer contribution rates, diversion of contributions to, and allocation of, expenses to other retirement plans, and withdrawal liability. (2) Limitations The corporation shall not impose conditions on an eligible multiemployer plan as a condition of or following receipt of such partition assistance under this section relating to— (A) any reduction in plan benefits (including benefits that may be adjusted pursuant to section 305(e)(8))