The Commission may bring a civil action against any respondent named in a charge not a government, governmental agency or political subdivision, after thirty (30) days from the date of the filing of a charge with the Commission unless a conciliation agreement acceptable to the Commission has been secured: Provided, however, That the Commission may seek preliminary or temporary relief pursuant to section 706(f)(2) of title VII, according to the procedures set forth in Sec. 1601.23 of this part, at any time.