The commissioner may increase the amount of capital or surplus required of any insurer pursuant to section 2 of this act, or subsequently revise or redetermine that increase, using appropriate methods and procedures established by rules and regulations adopted by him in order to provide adequate protection against risks affecting the insurer's financial condition that are not adequately or fully covered by its reserves or other assets, but under no circumstance shall an insurer's capital or surplus be less than the capital or surplus required pursuant to section 2 or, where applicable, section 3 of this act; provided, however, that any increase of capital or surplus pursuant to this section, including any increase required by a subsequent revision or redetermination, shall be made only after a formal departmental hearing, on a record, unless that hearing is waived by the affected insurer. All matters pertaining to a hearing or to an increase of capital or surplus pursuant to this section shall be confidential and not subject to subpoena or public inspection, except to the extent that the commissioner finds release of information necessary to protect the public. The hearing shall be initiated within 20 days after written notice to the insurer. Any decision regarding an increase of capital or surplus pursuant to this section, including an increase required by a subsequent revision or redetermination, shall contain findings specifying the factors deemed significant in regard to the particular insurer, and shall set forth the reasons supporting the increase of capital or surplus ordered by the commissioner. In determining any increase, revision or redetermination in the amount of capital or surplus, the commissioner shall consider the risks of:
N.J.S. § 17B:18-70