In permit cases referred under §55.210 of this title (relating to Direct Referrals), all timely public comment on the application and the executive director's responses to timely, relevant and material, or significant public comment shall be admitted into the administrative record as defined by §80.118 of this title (relating to Administrative Record). The response shall specify the provisions of the draft permit that have been changed in response to public comment and the reasons for the changes. The parties may be allowed to respond and to present evidence on each issue raised in public comment or the executive director's responses. The commission shall consider all public comment in making its decision and shall either adopt the executive director's response to public comment or prepare its own response.