HMRC held a webinar covering the additional information form that came in for Creative Industries Reliefs claims on 1 April this year.
They will be holding a second session next Friday 26th July at 13:45, for anyone who was unable to join.
The link to register is here: https://attendee.gotowebinar.com/rt/6713998870566113883
A recording will be made available to everyone who registers, and will also be added to gov.uk at a later date.