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The only time you can use form 8919 without also filing a form SS-8 is if you have a single employer who pays you on a W-2 and pays the bonus on a 1099.  That would be code H on form 8919.  That's not the case here, you have two payors.   To claim that you are an improperly classified employee of the franchisor, you would have to file form SS-8 to make that determination, and based on the facts, you clearly aren't an employee of the franchisor.