What does Oil Taxation Act 1975 Schedule 4 paragraph 8 do?

Paragraph 8 ensures that when participators in different oil fields jointly acquire a long-term asset, the use of that asset in connection with the other jointly held fields is disregarded when calculating the section 4 expenditure allowance for any one field. This prevents shared cross-field use from reducing each field's petroleum revenue tax deduction.

How does paragraph 8 affect the calculation of long-term asset expenditure relief under section 4?

When determining how much of a jointly acquired asset's use falls outside a particular field, you ignore any use connected with the other fields whose participators jointly acquired the asset. Only genuinely unrelated use — use having nothing to do with any of the jointly held fields — counts against the field's section 4 allowance.

Does paragraph 8 apply if a single participator is involved in more than one of the relevant oil fields?

Yes. The rule applies regardless of whether any individual participator happens to be involved in more than one of the relevant fields. The focus is on the group of oil fields whose participators jointly acquired the asset, not on the overlap of any single participator's interests across those fields.

Can you give an example of how paragraph 8 works in practice for jointly acquired pipeline infrastructure?

If a pipeline is used 50% for Field X, 40% for Field Y, and 10% for unrelated purposes, paragraph 8 means that when calculating Field X's allowance, only the 10% unrelated use reduces the claim. The 40% attributable to Field Y is ignored. The same principle applies in reverse for Field Y's computation.

Oil Taxation Act 1975 Schedule 4 paragraph 8

Assets acquired jointly by participators in different oil fields

Schedule 4 paragraph 8 deals with how to treat a long-term asset that has been jointly acquired by participators who operate in two or more different oil fields, ensuring that shared use across those fields does not unfairly reduce the expenditure allowance available to any one field.

The rule applies where an asset is jointly acquired by persons who are participators in two or more different oil fields.
It does not matter whether any individual participator is involved in more than one of those fields.
When determining how much of the asset's use relates to a particular field (for the purposes of long-term asset expenditure relief under section 4), you must ignore any use of the asset in connection with the other fields in which the joint acquirers participate.
The effect is to prevent the shared nature of the asset from reducing the proportion of expenditure that qualifies for relief in respect of each individual field.

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