If you’re responsible for the administration for an APPG then you should note the latest advice from the Whips Office:

Following meetings of the Administration Committee and the Committee on Standards (HC 357), all APPG notices submitted for inclusion on the All Party Notices:

Should include a contact parliamentary e-mail address or telephone number, i.e. NOT that of an external person or organisation.

Must list Guest Speakers.

The Events Team in the House of Commons must be notified of all guest speakers so they can be logged when the meeting is booked.