https://www.slab.org.uk/guidance/drafting-specification-of-documents/
Chapter 6, paragraph 4 Specification of documents
In relation to Chapters 1-5 inclusive the fees prescribed in Chapter 6 apply.
These standard fees cannot be increased or decreased where we are satisfied that a fee is payable.
Paragraph 4
Specification of documents
These standard fees cannot be increased or decreased where we are satisfied that a fee is payable.
Standard calls/straightforward cases or other
Where you charge the ‘other specification of documents’ fee your fee must demonstrate that the specification features non-standard calls.
Where we are not satisfied we will allow the ‘specification with standard calls only’ and invite you to provide further information in support of the claim.