Paragraph 4

The F1Welsh Ministers may make regulations containing rules for the calculation of an amount for a chargeable financial year in relation to each F2billing authority (to be called its non-domestic rating contribution for the year).

The rules shall be so framed that the amount calculated under them in relation to an authority is broadly the same as the total which, if the authority acted diligently, would be payable to it in respect of the year under sections 43 and 45 above.

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The rules may include provision for such deductions as the maker of the rules thinks fit for the purpose of enabling an authority to retain part, or all, of so much of the total payable to it in respect of the year under sections 43 and 45 above as exceeds an amount determined for the authority by or under the rules.

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Sub-paragraph (2) above shall have effect subject to sub-paragraph (4A) above.

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The F7Welsh Ministers may incorporate in the rules provision for deductions (of such extent as F8they think fit) as regards—

and F9sub-paragraph (2) above shall have effect subject to this.

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Regulations under this paragraph in their application to a particular financial year (including regulations amending or revoking others) shall not be effective unless they come into force before 1 January in the preceding financial year.

Sub-paragraph (6) above does not apply to regulations made only for the purpose of amending the rules to increase deductions as regards the operation of section 49 above for the whole or part of the financial year.