4A.—(1) The occupier of a qualifying grassland holding must ensure that during the relevant period—
where—
A is the area of the holding (hectares), as existing on 1 January 2024;
Ngl is the total amount of nitrogen (kg) in grazing livestock manure applied to the holding during the relevant period, whether directly by an animal or by spreading, calculated in accordance with table 1 in Schedule 1;
Nngl is the total amount of nitrogen (kg) in non-grazing livestock manure, applied to the holding during the relevant period, whether directly by an animal or by spreading, calculated in accordance with table 2 in Schedule 1.
(2) Where the occupier of a qualifying grassland holding intends during the relevant period to apply to the holding, whether directly by an animal or by spreading, a total amount of nitrogen in grazing livestock manure which exceeds 170 kg multiplied by the area of the holding in hectares, they must—
(a)submit a notice to NRW in accordance with regulation 4B, and
(b)comply with the enhanced nutrient management requirements in Schedule 1A.
(3) In calculating the area of the holding for the purposes of ascertaining the amount of nitrogen to be spread on the holding, no account is taken of surface waters, any hardstanding, buildings, roads or any woodland (unless that woodland is used for grazing).]