[BR-DEC-05-SG]-The allowed maximum number of decimals for the Document level charge amount (IBT-099) is 2.
BR-DEC-05-SG
/ubl:Invoice/cac:AllowanceCharge[cbc:ChargeIndicator = true()] | /cn:CreditNote/cac:AllowanceCharge[cbc:ChargeIndicator = true()]
string-length(substring-after(cbc:Amount,'.'))<=2