; Entity tag is just a string, but shouldn't have spaces, just letters,
; numbers and dashes.
tag Entity
assert value =~ /[ A-z0-9\-]+(:[ A-z0-9\-]+)*/
tag TaxImplication
assert value =~ /1099|Accountant-Advises-No-1099|Bank-Transfer|Foreign-Corporation|Foreign-Individual-Contractor|Payroll|Refund|Reimbursement|Tax-Payment|USA-501c3|USA-Corporation|USA-LLC-No-1099/