Passport MRZ-Visual Consistency Check and MRZ Validity

Field Verification Result enum

enum	Constant	Description
0	RCF_DISABLED	comparison wasn't done, result undefined
1	RCF_VERIFIED	verification passed
2	RCF_NOT_VERIFIED	verification failed
3	RCF_Compare_True	positive comparison result
4	RCF_Compare_False	negative comparison result

Matrix In JSON Result

Matrix Array

Interpretation of Matrix

For MRZ data validity, look at index 0; for MRZ-VISUAL consistency check, look at index 5.

Index	Meaning
0	MRZ data verification result
1	RFID-chip data verification result
2	document filling text fields data verification result
3	bar-codes data verification result
4	MRZ and RFID-chip data comparing result
5	MRZ and document filling text fields data comparing result
6	MRZ and bar-codes data comparing result
7	document filling text fields and RFID-chip data comparing result
8	document filling text fields and bar-codes data comparing result
9	RFID-chip and bar-codes data comparing result

Fields To Be Checked for Data Consistency

FieldType	FieldName
0	Document class code
1	Issuing state code
2	Document #
3	Date of expiry
5	Date of birth
12	Sex

Fields to be Checked for Data Validity

FieldType	FieldName
80	Check digit for document number
81	Check digit for date of birth
82	Check digit for date of expiry
84	Final check digit

Passport MRZ Interpretation

Positions	Length	Meaning
1–9	9	Passport number
10	1	Check digit over digits 1–9
11–13	3	Nationality (ISO 3166-1 alpha-3 code with modifications)
14–19	6	Date of birth (YYMMDD)
20	1	Check digit over digits 14–19
21	1	Sex (M, F or < for male, female or unspecified)
22–27	6	Expiration date of passport (YYMMDD)
28	1	Check digit over digits 22–27
29–42	14	Personal number (may be used by the issuing country as it desires)
43	1	Check digit over digits 29–42 (may be < if all characters are <)
44	1	Check digit over digits 1–10, 14–20, and 22–43

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