Effect of contractor determination.

The determination shall be final and binding on the party or parties to such determination unless: (a) A contractor hearing is requested in accordance with § 405.1811 and a contractor hearing decision rendered in accordance with § 405.1831; or (b) The contractor determination is revised in accordance with § 405.1885; or (c) A Board hearing is requested in accordance with § 405.1835 and a hearing decision rendered pursuant thereto.