Article 16 Failure to pay instalments

An authority may authorise a contractor to exercise the function, where any instalment payable under a demand notice is not paid in accordance with Part I of the Schedule, or, as the case may be, a Part II scheme, of serving a reminder notice on the liable person concerned requiring him to pay the amount which is the aggregate of the instalments due and unpaid and stating the other matters required under regulation 23 to be stated in a reminder notice.