The controversial tool, which demonstrates the effect of the proposal on credit union capital, is currently available to the public.
The NCUA's proposal has five flaws, credit union executives say.
Heading into the GAC, legislative priorities for credit unions include protecting the tax-exempt status, data security and housing finance reform.
CUNA SVP of Legislative Affairs Ryan Donovan says tax reform decisions are currently being made behind the scenes on Capitol Hill.
Credit unions can adjust to comply with the proposed rule, but some challenge the rule's details.
Credit union executives say they can comply, but question some of the rule's risk-weighting details.
While most agree credit unions should file reports on time, industry leaders also think regulator's fines are heavy handed.