Without the written permission of the employer, the designer's rights and obligations under this contract may not be all or part of subcontracting or to subcontracting to a third person.
Without the written permission of the Employer, design rights and obligations shall not be under this contract or subcontract all or part of the subcontract to a third person.
Not by the employer written permission, the design shall not be the rights and obligations under this contract, in whole or in part, subcontract or sub contract to the third party.