Along with the General Counsel's certification and presiding officer's statement referred to in Sec. 1003.6(d), the Board shall maintain a complete transcript or electronic recording adequate to record fully the proceedings of each meeting, or a portion thereof, closed to the public. Alternatively, for any meeting closed pursuant to Sec. 1003.5(h) or (j), the Board may maintain a set of minutes adequate to record fully the proceedings, including a description of each of the views expressed on any item and the record of any roll call vote.