TIME LIMIT TO CLAIM ITC IF TAX PAID UNDER RCM AFTER LITIGATION For Fy 17-18 & Fy 18-19

Hello Friends & Experts,

We have an ongoing issue with GST department, for the period FY 17-18 & FY 18-19, where department claims to pay tax under rcm for service imports.

If we have to pay the tax under rcm in today's date for the period fy 17-18 and fy 18-19 after litigation is complete, are we allowed to claim

CAN WE CLAIM, TAX PAID UNDER RCM TODAY FOR PERIOD UNDER LITIGATION AS QUOTED ABOVE IN COMING MONTHS AHEAD AGAINST OUR OUTPUT GST LIABILITY ??