# P9. Form T126: Form P9 Guidance notes on completing the application form to set aside a decision, or part of it (v09.25)

**URL:** <https://forum.mentalhealthlaw.co.uk/t/p9-form-t126-form-p9-guidance-notes-on-completing-the-application-form-to-set-aside-a-decision-or-part-of-it-v09-25/4147>\
**Category:** MHLO updates\
**Created:** [29 August 2025 21:29 UTC](https://forum.mentalhealthlaw.co.uk/t/p9-form-t126-form-p9-guidance-notes-on-completing-the-application-form-to-set-aside-a-decision-or-part-of-it-v09-25/4147 "2025-08-29T21:29:00Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![MHLO](https://forum.mentalhealthlaw.co.uk/user_avatar/forum.mentalhealthlaw.co.uk/mhlo/32/24_2.png) [@MHLO](https://forum.mentalhealthlaw.co.uk/u/MHLO)\
**Post date:** [29 August 2025 21:29 UTC](https://forum.mentalhealthlaw.co.uk/t/p9-form-t126-form-p9-guidance-notes-on-completing-the-application-form-to-set-aside-a-decision-or-part-of-it-v09-25/4147/1 "2025-08-29T21:29:00Z")

</div>

— Guidance notes in relation to Form P9: Application to set aside a decision or part of a decision (Rule 45) (v11.22). The Gov.uk update notes state: "Updated the tribunal's address in the guidance."

* * *
Full details available at: [https://www.mentalhealthlaw.co.uk/Form\_T126:\_Form\_P9\_Guidance\_notes\_on\_completing\_the\_application\_form\_to\_set\_aside\_a\_decision,\_or\_part\_of\_it\_(v09.25)?id=290825-2129](https://www.mentalhealthlaw.co.uk/Form_T126:_Form_P9_Guidance_notes_on_completing_the_application_form_to_set_aside_a_decision,_or_part_of_it_(v09.25)?id=290825-2129)