'This section was added to the tax code in 1974; it's now the name (or number) for many political advocacy groups'
527
BY THE NUMBERS: This section was added to the tax code in 1974; its now the name for many political advocacy groups
This section was added to the tax code in 1974; it's now the name for many political advocacy groups
This section was added to the tax code in 1974; it's now the name for many political advocacy groups
BY THE NUMBERS
527
BY THE NUMBERS