250.89—Termination of contracts.
Every service, sales, or construction contract made after April 1, 1936, between a registered holding company and an associate company thereof which is a public utility company, a mutual service company, or a company engaged in the business of performing services or construction for, or selling goods to, associate public utility companies, or between a subsidiary company of a registered holding company (including a mutual service company) and any associate company thereof, shall contain provision for its termination to the extent that performance may conflict with any rule, regulation or order of the Commission adopted before or after the making of such contract.