Here is the Guide to Recording Masons’ Marks, along with the recording form and a Risk Assessment template.
Feel free to download and circulate these as necessary.
https://masonsmarks.scot/wp-content/uploads/2023/09/SSMRP-Guide-to-surveying.pdf
https://masonsmarks.scot/wp-content/uploads/2023/09/SSMRP-Survey-Recording-form.pdf
https://masonsmarks.scot/wp-content/uploads/2023/09/SSMRP-Risk-Assessment.pdf