That’s interesting because so many influencers fail to mark affiliate links as #ad. But when I’ve contacted ASA they have declined to investigate someAffiliate links need to be marked as an ad following an ASA ruling on Matalan / Rosie Londoner so that's probably why she's being extra careful at the moment with doing a Matalan job.
Matalan Retail Ltd
www.asa.org.uk
We told Matalan Ltd and The Londoner to ensure that in future, affiliate links were obviously identifiable as marketing communications, for example, by including a clear identifier such as “#ad” and made clear their commercial intent prior to consumer engagement