(a) The Commissioner may hold a hearing for any purpose within the scope of this title as he may deem necessary. He shall hold a hearing—
(1) if required by any provision of this title; or
(2) upon written demand for a hearing made by any person aggrieved by any act, threatened act, or failure of the Commissioner to act, if such failure is deemed an act under any provision of this title, or by any report, promulgation, or order of the Commissioner other than an order on a hearing of which such person was given actual notice or at which such person appeared as a party, or order pursuant to the order on such hearing.
(3) Upon written demand for a hearing by the insured when there is a dispute concerning the settlement of an insurance claim; Provided, That prior to any hearing the insurer shall pay to the insured the undisputed amount of the insurance claim.
(b) Any such demand for a hearing shall specify in what respects such person is so aggrieved and the grounds to be relied upon as basis for the relief to be demanded at the hearing.
(c) The Commissioner shall hold such hearing demanded within 30 days after his receipt of the demand, unless postponed by mutual consent.