I.2.9 The DCO /BCO shall collect and record the following additional information on an Athlete Biological Passport supplementary form, Athlete Biological Passport specific Doping Control form or other related report form to be signed by the Athlete and the  DCO/BCO :        ABP Operating Guidelines  – Version 9.0 – July 2023  Page 22/91 a) Has the Athlete been seated for at least ten (10) minutes with their feet on the floor prior to blood collection, as per Annex  I.2.8?