Impact on Tax line when currency precision is zero for TWD

Summary: We have enabled currency precision as zero for TWD currency. Recently we received an AP invoice of 1 TWD (transaction currency) in UK ledger . The tax rate on the invoice is 20%. However, the tax line is generated with zero amount instead of 0.20 (1*20%) . We believe this is happening because the currency precision for TWD is set as zero. Our local tax team is saying that as per UK laws they have to report each and every invoice to the government and this being no exception and hence their expectation is the system should calculate the