(1) Every decision of the Director under this Part shall be in writing and-

(a) if the Director thinks fit, or

(b) if any of the parties so requests,

shall include a statement of the reasons why the Director reached the decision.

(2) By notice in writing to the complainant and the respondent the Director may correct any mistake (including an omission) of a verbal or formal nature in a decision under this Part.

(3) If any person who participated in an investigation is not correctly identified in the resulting decision, the correction of that error shall be regarded as falling within subsection (2).