2. a. No contract between a carrier or a vision care plan and a vision care provider may seek to or require that a vision care provider provide services or materials at a fee limited or set by the carrier or vision care plan unless the services or materials are reimbursed as covered services or covered materials under the contract.
b. A vision care provider shall not charge more for services and materials that are noncovered services or noncovered materials to an enrollee of a vision care plan or carrier than the provider's usual and customary rate for those services and materials.