Greenpath Health Services, Inc., an HMO, recently terminated some providers from its network in response to the changing enrollment and geographic needs of the plan. A provision in Greenpath's contracts with its healthcare providers states that Greenpath can terminate the contract at any time, without providing any reason for the termination, by giving the other party a specified period of notice.

The state in which Greenpath operates has an HMO statute that is patterned on the NAIC HMO Model Act, which requires Greenpath to notify enrollees of any material change in its provider network. As required by the HMO Model Act, the state insurance department is conducting an examination of Greenpath's operations. The scope of the on-site examination covers all aspects of Greenpath's market conduct operations, including its compliance with regulatory requirements.

From the following answer choices, select the response that identifies the type of market conduct examination that is being performed on Greenpath and the frequency with which the HMO Model Act requires state insurance departments to conduct an examination of an HMO's operations.