Paragraph 11 Additions to gross amount
The amounts which–
(a)
were amounts payable to the authority or to an old authority in respect of non-domestic rates for a preceding year or by way of such a contribution for that year as is described in sub-paragraph (b) of paragraph 2 of this Schedule;
(b)
were not taken into account by the authority in question as amounts described in that paragraph in the calculation made for that year under paragraph 11(5) of Schedule 12 to that Act;
(c)
have now been paid or are now payable to the authority; and
(d)
have not been taken into account as amounts described in this paragraph in a calculation made for any preceding year under paragraph 11(5) of Schedule 12 to the Act.