SAP Knowledge Base Article - Public

2935708 - Federal Business Number is invalid


Upon saving the tax data in account for country/region Canada, you see an error
Error: Federal Business Number is invalid


SAP Cloud for Customer

Reproducing the Issue

  1. Go to Customers Workcenter
  2. Go to Accounts view
  3. Select show all and find for account ABC (ABC represents the name of the account)
  4. Open the account ABC
  5. Go to facet Tax Numbers
  6. Select Add
  7. Enter Tax country as CA - Canada and Tax Number Type as Federal Business Number
  8. Input the 9 digit Tax Number value and select Add

Upon save, you will see the afore mentioned error and this behavior is also applicable when you replicate a business partner with similar data


In SAP Cloud for Customer, the tax number check, checks for Canadian federal business numbers if they fulfill the Luhn condition.
In case if it does not meet the criteria defined the afore mentioned error will be displayed.

For more details on Luhn condition, please check


This is the expected behavior in the current version and is in line with the product design, which has further been derived from practices recommended by the regulatory authorities.

1.  If you are a partner: please use or the Partnerfinder
2.  If you are a customer:

    1. Contact your Account Executive

Check the link

An alternative option may be to check the SAP Cloud for Customer Ideas Forum to submit an idea:

See Also

  2527975 - VAT Registration Number is Invalid


Registration Number, Federal, Tax number Type, Account, Tax data, Invalid, Error, Canada , KBA , LOD-CRM-ACC , Account , Known Error


SAP Cloud for Customer add-ins all versions ; SAP Cloud for Customer core applications all versions