I doubt this is related to money laundering. I believe it’s about the KYC verification process as part of the AML/CTF Act. Specifically this part:
AML/CTF identification and verification requirements for individual customers
Customer identification and verification procedures are contained in Chapter 4 of the AML/CTF Rules. Part 4.2 of that chapter specifies the minimum Know-Your-Customer (KYC) information which must be collected and verified in relation to an individual customer. A reporting entity is able to collect and verify additional KYC information about an individual, if an assessment of money-laundering and terrorism-financing (ML/TF) risk indicates that collection of additional KYC information is warranted.
KYC information collected from an individual must be verified from: