(a) An initial determination described in §405.924(a) is binding unless it is revised or reconsidered in accordance with 20 CFR 404.907, or revised as a result of a reopening in accordance with 20 CFR 404.988.

(b) An initial determination described in §405.924(b) is binding upon all parties to the initial determination unless—

(1) A redetermination is completed in accordance with §405.940 through §405.958; or

(2) The initial determination is revised as a result of a reopening in accordance with §405.980.

(c) An initial determination listed in §405.924(b) where a party submits a timely, valid request for redetermination under §405.942 through §405.944 must be processed as a redetermination under §405.948 through §405.958 unless the initial determination involves a clerical error or other minor error or omission.