https://www.slab.org.uk/guidance/circumstances-where-you-do-not-need-to-apply-for-approval/
Whether you need prior approval depends to some extent on the nature of the case or the court dealing with it.
So you may do something quite properly without prior approval in a High Court murder case, which would need prior approval in a minor breach of the peace case in the JP court. Regulation 14(1)(d) of the Criminal Legal Aid (Scotland) Regulations 1996 is not, in general, concerned with the nature of the case itself, but with items of work.
You do not need prior approval just because you are acting, for example, in a murder case, a serious fraud case, or a major drugs case.
Serious cases will be expected to:
You do not need our prior approval in that sort of situation, and your claim for fees, outlays and counsel, if appropriate, will be assessed or taxed in the normal way.
The following are examples where you do not need approval unless the work is likely to incur unusually large expenditure – that is, £2,000 or more:
If you have any doubt please contact our Criminal Applications Department to discuss your concerns.