This latest revision recommends the addition of the delivery ticket serial number to your Report. Anticipating the need - this field is available in ForneyVault today.
WHY IT'S IMPORTANT
On March 1, 2021, ASTM approved "-21" versions of C31 and C39. The primary change to those standards is the addition of the serial number of the delivery ticket in the Report section of each standard (section 12.1.2 in C31-21, and section 10.1.2 in C39-21).
HOW IT WORKS
When creating or editing a sample, there's a field for "Ticket Serial Number" that can be included in your reports now that the latest standards call for it: