NFE-1150
Rejeição: Valor do IBS do Item (vIBS) difere do calculado [nItem: …] (vIBS …, vIBSUF + vIBSMun …).
In English The item's vIBS is not vIBSUF + vIBSMun (less the presumed credit when it is deducted).
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
nfe:infNFe/nfe:det/nfe:imposto/nfe:IBSCBS/nfe:gIBSCBS
br:dec(nfe:vIBS) = (br:dec($uf/nfe:vIBSUF) + br:dec($mun/nfe:vIBSMun), br:dec($uf/nfe:vIBSUF) + br:dec($mun/nfe:vIBSMun) - br:dec($presumed))
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol