This section applies if the Welsh Ministers designate an authority under section 52D(2)(a) above as regards the year under consideration.
They shall notify the authority in writing of—
the designation;
the set of principles determined for the authority under section 52B above;
the category in which the authority falls (if they determine categories under section 52B above);
the amount which they propose should be the maximum for the amount calculated by the authority as its budget requirement for the year;
the target amount for the year, that is, the maximum amount which they propose the authority could calculate as its budget requirement for the year without the amount calculated being excessive;
the financial year as regards which they expect the amount calculated by the authority as its budget requirement for that year to be equal to or less than the target amount for that year (assuming one to be determined for that year).
A designation under section 52D(2)(a) above—
is invalid unless subsection (2) above is complied with;
shall be treated as made at the beginning of the day on which the authority receives a notification under that subsection.
If—
an authority has been designated under section 52D(2)(a) above, and
after the designation is made the authority makes substitute calculations in relation to the year,
the substitute calculations shall be invalid unless they are made in accordance with section 52I or 52J below (as the case may be).
Before the end of the period of 21 days beginning with the day it receives a notification under this section, an authority may inform the Welsh Ministers by notice in writing that—
for reasons stated in the notice, it believes the maximum amount stated under subsection (2)(d) above should be such as the authority states in its notice, or
it accepts the maximum amount stated under subsection (2)(d) above.