(1)If the Secretary of State decides under section 100 above to designate an authority he shall notify it in writing of—
(a)his decision,
(b)the principles determined under section 100(4) above in relation to it, and
(c)the amount which he proposes should be the maximum for the amount calculated by it in relation to the year under section 95(4) above or the maximum for the aggregate amount of precepts issued by it for the year (as the case may be).
(2)A designation—
(a)is invalid unless subsection (1) above is complied with, and
(b)shall be treated as made at the beginning of the day on which the authority receives a notification under that subsection.
(3)Where a charging authority has been designated under this section, and after the designation is made the authority makes substitute calculations in relation to the year in accordance with section 95 above, the substitute calculations shall be invalid unless they are made under section 107(1) below.
(4)Where a precepting authority has been designated under this section, and after the designation is made the authority issues any substitute precept for the year, the substitute precept shall be invalid unless it is issued under section 107(2) below.
(5)Before the end of the period of 28 days beginning with the day it receives a notification under this section, an authority may inform the Secretary of State by notice in writing that—
(a)for reasons stated in the notice, it believes the maximum amount stated under subsection (1)(c) above should be such as the authority states in its notice, or
(b)it accepts the maximum amount stated under subsection (1)(c) above.
(6)References in the following provisions of this Part to a designated authority are to an authority designated under this section.