The commission shall keep full, complete, and permanent minutes and records of all its proceedings, including the rules and regulations adopted by it, and said minutes shall be signed by the chairman, or vice-chairman, and attested by the secretary. All minutes of the commission shall be signed and approved not later than the close of the next regular meeting.
Any meeting or hearing of or by the commission may be recessed from day to day or time to time without the necessity of daily entering the fact of recess upon the minutes of the commission. However, the fact of recess of any hearing, where the proceedings are taken by a reporter, shall be shown in the record of the proceedings.