Mexico

Here are the details to validate tax registration numbers as per Mexico's validation rules:

Country Code: MX

REPORTING_TYPE_CODE/ Validation Type	REPORTING_TYPE_NAME	No of Digits	Format	Check Digit	Check Digit Validation	Example TRN No
ORA_MX_RFC:COMPANY	Mexico RFC Validation for Companies	12	Only letters and numbers are allowed. No special characters. Segment 1: Three letters for a short company name. These letters are assigned by SAT at company creation time. Segment 2: Six numbers for company creation date; `yymmdd`. Segment 3: Last three digits called "Homoclave"; it could contain letters and numbers. This segment provides uniqueness to Tax Registration Number.	No	No	Good: OME910101TA3 Bad: AR12%$34567 - Invalid format, only letters and numbers are allowed OME910231TA3 -Invalid format -date `yymmdd` format is invalid
ORA_MX_RFC:INDIVIDUAL	Mexico RFC Validation for Professional Individuals	13	Only letters and numbers are allowed. No special characters. Segment 1: Four letters for Name and last names: First two letters of last name, first letter of second last name and first letter of name. Segment 2: Six numbers for date of birth, `yymmdd`. Segment 3: Last three digits called "Homoclave"; it could contain letters and numbers. Like in the case of companies, this segment provides uniqueness to Tax Registration Number.	No	No	Good: BOSF740624T74 Bad: AR45%$34567 - Invalid format, only letters and numbers are allowed BOSF740631T74 -Invalid format -date `yymmdd` format is invalid
ORA_MX_RFC:SAT	Mexico RFC Validation for SAT	20 or less	No Restriction on the characters	No	No	Good: 34DF1234567#4
`ORA_MX_RFC:CURP`	Mexico RFC Validation for CURP	18	Only letters and numbers are allowed. No special characters. Segment 1: Four letters for Name and last names: First two letters of last name, first letter of second last name and first letter of name. Segment 2: Six numbers for date of birth, `yymmdd`. Segment 3: One letter to specify gender; H = Male, M = Female. Segment 4: Two letters for the Geographical State of birth inside Mexico. Segment 5: One letter, first internal consonant from the first of the two last names. Segment 6: One letter, first internal consonant from the second of the two last names. Segment 7: One letter, first internal consonant from the first name. Segment 8: One digit, 0-9 for dates of birth up to the year 1999, and A-Z for dates of birth from the year 2000 forward. Segment 9: One digit to avoid duplicates.	No	No	Good: BOSF740824HJCNVB09 Bad: `A#$5df%$34567` - Invalid format, only numbers are allowed BOSF740630AJCNVB09 -Invalid format, 11th digit has to be H or M
ORA_MX_RFC:FOREIGN	Foreign Business Unit Entity for Mexico with Foreign Origin	20 or less	No Restriction on the characters	No	No	Good: 3GRDF1234567#4