20.—(1) Article 5 is amended as follows.
(2) After paragraph 3 insert—
“3a. The operator of an electricity generator may not make an application for free allocation in relation to measurable heat produced by means of high-efficiency cogeneration unless the application is made after the installation has been operating for a full calendar year after the start of normal operation; and in this paragraph “high-efficiency cogeneration” has the same meaning as in Article 2a.”.