Which of the following is a requirement for small group health plans under certain circumstances?

The requirement related to small group health plans under certain circumstances is tied to the aspect of premium payment. Specifically, non-payment of premiums within the grace period can lead to the termination of coverage for the group health plan. Insurers typically require that premiums are paid on time to maintain the active status of the plan.

In essence, if a premium is not paid during the grace period—which is the designated time after the due date that gives policyholders a chance to pay their due premiums—insurance coverage may lapse. This is particularly relevant for group health plans, where managing premium payments is crucial to ensure ongoing coverage for all members included in the plan.

The incorrect options focus on criteria that do not universally apply to small group health plans. For instance, part-time employee status, having competitive plans, or requiring a minimum number of employees are not standards that define or restrict small group health plans under the law. Instead, the emphasis on timely premium payments aligns closely with the operational requirements of maintaining a group health insurance policy.