Official form guide
Form 34A.12 is used to apply for a variation or renewal of an authorisation under the Criminal Justice (Surveillance) Act 2009, Section 6(1). It is required when a surveillance authorisation needs to be changed or extended.
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Form Overview
Form 34A.12 is used to apply for a variation or renewal of an authorisation under the Criminal Justice (Surveillance) Act 2009, Section 6(1). It is required when a surveillance authorisation needs to be changed or extended.
Plain English
If you have a court‑granted permission to carry out surveillance and you need to change its terms or keep it going longer, you fill out this form. It tells the Courts Service what you want to vary and why.
Submission Date
AI co-pilot
Form selector
New surveillance request
For first‑time authorisations
✓ Verify you have no existing authorisation
Minor amendment within 30 days
Small changes only
✓ Check if variation can be done informally
Appeal against refusal
Challenge a denied authorisation
✓ Confirm appeal deadline
The variation or renewal must be filed before the expiry date shown on the current authorisation; otherwise the surveillance must stop until a new authorisation is granted.
Field map
Proceedings
3 items
The names of the parties exactly as they appear on the originating document.
The court record number for the case, if one has been assigned.
The court and the office where the document is being filed.
Substance
2 items
What you are asking the court to do, or the information the form requires.
The facts relied on and any documents exhibited with the filing.
Execution
1 items
Signed, sworn or certified as the form requires, with proof of service where needed.
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Fillable formOpen in Editor->The form is currently the 2023 revision and remains in force. No major changes have been announced for 2024.
Quick Facts
Form Details
Downloads & source
Mixing up renewal (same terms) with variation (changed terms).
Assuming a verbal request is sufficient – written form is mandatory.
Not attaching the original authorisation reference.
Submitting to the local district court instead of the Central Office.
Leaving the justification section blank or vague.
Using an outdated PDF version of the form.
Failing to update contact details after a personnel change.
Source transparency
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