Upon receipt or issuance of a complaint, the Department must, via regular mail, send a copy of the complaint to the business named in the complaint. The business named in the complaint shall be the respondent. For a complaint filed under § 42-26(a) {“Commencement of action: On complaint of other”} of this subtitle, the Director must redact from the copy sent to the respondent:the complainant’s name; and to the fullest extent possible, any other information that might identify the complainant.