Power to give retrospective effect to Statutes and Regulations

Power to give retrospective effect to Statutes and Regulations.—The power to make Statutes or Regulations shall include the power to give retrospective effect, from a date not earlier than the date of commencement of this Act, to the Statutes or Regulations or any of them but no retrospective effect shall be given to any Statute or Regulation so as to prejudicially affect the interests of any person to whom such Statute or Regulation may be applicable.