(a) Except as otherwise provided in the code or these rules, after a decision or order of an administrative law judge has been served, it shall not be changed except to correct a clerical error.

(b) If a further hearing is not necessary to correct a clerical error, the administrative law judge, promptly after discovering the clerical error and before a board appeal is filed, may serve an order correcting the clerical error or a corrected decision or order.

(c) If a further hearing is necessary to correct a clerical error, the administrative law judge, promptly after discovering the clerical error and before a board appeal is filed, may order the erroneous decision or order vacated, schedule a further hearing on notice as provided in rule 5056, and thereafter serve a corrected decision or order.

(d) The time within which to file any board appeal or application to reinstate, reopen, or vacate begins anew upon service of an order correcting a clerical error or a corrected decision or order, even as to any matter which is not thereby corrected.