Yes, in TidyStock, Purchase Order Numbers is Customer Reference Number in the Sales Purchase Order section.
Have a look at similar frequently asked questions or visit our FAQs page for more information
Why can't I see the physical stock in my Xero account even though I have connected Xero and TidyStock together?
Why aren’t Tracking Categories automatically applied in TidyStock?
Do we need to set up tracking codes in Xero to capture job information and costings?
How do you deal with my stock lists ensuring the most up to date are uploaded?
Are there any additional costs for implementing automated tracking in TidyStock?