If, apart from this regulation, an ATS provider would be required by this Division to ensure that any air traffic service that it provides is provided in accordance with a standard in the Manual of Standards and a standard in Annex 11, as varied by Gen 1.7 of Part 1 of the AIP, and it is not possible to comply with both standards, the provider is only required to ensure that the service is provided in accordance with the standard in the Manual.