NFE-1211
Rejeição: DFe referenciado em operação com ente governamental em duplicidade [nOcor: …].
In English The same previous document of a government purchase is referenced twice.
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:ide/nfe:gCompraGov/nfe:refDFeAnt
not(preceding-sibling::nfe:refDFeAnt = .)
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol