Donors sign up once to Swiftaid when making a donation through yours or any another platform using Swiftaid. Existing donors will have Gift Aid added automatically.
When a new donor makes a donation, they are asked to tick a box to confirm they are a UK taxpayer, and that they are happy to share the following information with Swiftaid;
The donor only needs to do this once, existing donors shouldn't be asked to enter these details again the next time they go through a flow on your donation platform.
Sketch Cloud links: Gift Aid flow for single donations Gift Aid flow for fundraising donations