Update:
If anyone else is reconciling their expenses this week and stuck on this, I verified the vendor by calling the billing support line at +1-800-555-0199.
For my complete experience, please visit the following link i shared for others citing my experience. it may help help you solve your issues incase youre having trouble getting refund from them
Cleverbridge Reference Number Lookup and Piriform Software Ltd Refund Discrepancy | PDF