NFE-334
Rejeição: Número do processo de drawback não informado na importação [nItem: …] (CFOP …).
In English Imports under drawback (CFOP 3127, 3211) need the drawback number in the addition (nDraw).
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
not($cfop = ('3127', '3211')) or $prod/nfe:DI/nfe:adi/nfe:nDraw
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol