ISTI – Effective 1 January 2023  Page 47 of 92 [Comment to 6.3.3 (d) and (e): The WADA observer/auditor and/or authorized Person shall not directly observe the passing of a urine Sample]  6.3.4  The Sample Collection Authority  shall only use Sample Collection Equipment  systems for urine and blood Samples which, at a minimum : a) Have a unique numbering system, incorporated into all A and B bottles, containers, tubes or other items used to seal the Sample and have a barcode or similar data code which meet s the requirements of ADAMS on the applicable Sample Collection Equipment ; b) Have a Tamper -Evident  sealing system;  c) Ensure the identity of the Athlete is not evident from the equipment itself;   d) Ensure that all equipment is clean and sealed prior to use by the Athlete;  e) Are constructed of a material and sealing system that is able to withstand the handling conditions and environment in which the equipment will be used or subjected to, including but  not limited to transportation, Laboratory  analysis and long term frozen storage up to the period of the statute of  limitations;  f) Are constructed of a material and sealing system that  will; (i) Maintain the integrity (chemical and physical properties) of the Sa mple  for the Analytical Testing;  (ii) Can withstand temperatures of -80°C for urine and blood and -20°C for d ried blood spots.