Card Association not creating when passed Tax Reporting Unit in worker.dat

Summary:

I am creating a Non Worker Work Relationship, when we create new Work Relationship. Tax Card will create automatically. If we pass TaxReportingUnit in Assignment, it will create Card Association also. Now I am passing TaxReporting Unit in Assignment. It is creating a Tax Card but its not creating Card Association.

Content (required):

I am creating a Non Worker Work Relationship, when we create new Work Relationship. Tax Card will create automatically. If we pass TaxReportingUnit in Assignment, it will create Card Association also. Now I am passing TaxReporting Unit in Assignment. It is creating a Tax Card but its not creating Card Association.