Here’s a link to the latest guidance produced by collaboration with stakeholders such as ART, Fisheries  Trusts and District Salmon Fishery Boards, FHI and MSS and published by Fishery management Scotland. https://fms.scot/wp-content/uploads/2020/08/200825-Aqua-Guidance-on-escapees.pdf  

Source: Ayshire River Trust – Advice on what to do if you catch a farmed salmon