The open negotiation period is a period of up to 30 business days to determine an agreed-upon amount for the total out-of-network rate (including any cost sharing) for an item or service furnished by a nonparticipating provider, nonparticipating facility, or a nonparticipating provider of air ambulance services to a participant, beneficiary, or enrollee in a group health plan, group or individual health insurance policy, or FEHB carrier and for which a payment is required to be made by the plan or coverage.