SCHEDULES

SCHEDULE 19CPetroleum extraction activities: ring fence expenditure supplement

Part 3Pre-commencement supplement

The reference amount for a pre-commencement period

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For the purposes of this Part of this Schedule, the reference amount for a pre-commencement period is the amount in the pool at the end of the period—

(a)

after the addition to the pool of any qualifying pre-commencement expenditure allocated to the pool for that period in accordance with paragraph 10(3), but

(b)

before determining, and adding to the pool, the amount of any pre-commencement supplement claimed in respect of the period.