Understanding the NFe Access Key

The NFe access key has 44 positions and it is composed of the fields that are scattered in the layout of NFe XML.

This table lists the fields that compose the access key:

Field	Field Description	Size	Field location in JD Edwards EnterpriseOne
CUF	UF code of the issuer of tax document	2	The value ADDS in the F0116 table
AAMM	Year and month of issue of the NF	4	The value FHISSU in the F7601B table
CNPJ	CNPJ of the issuer	14	The value of TAX in the F0101 table with the company address number.
Mod	Fiscal document template	2	Use the value of TORG in the F76B01TE table to search in UDC table 76B/CN.
Serial Number	Fiscal document series	3	The value of BSER in the F7601B or the F76B01TE table.
NNF	Fiscal document number	9	The value of BNNF in the F7601B or the F76B01TE table.
BSPR	Form issued by the NF	1	A transmission code configured by a processing option in the R76B561L UBE.
NFC	Numeric code that makes up the access key	8	Next number value unique for all NF+ transmission generated by the R76B561L UBE for normal transmissions.
CDV	Check digit key access	1	The value of B76EAA in the F76B01TE table that was generated by the R76B561L UBE.