Type of Supporting Documents

<p>Source of funds = <code>SOURCE_FUNDS</code> Proof of Address = <code>PROOF_ADDRESS</code> Account Proof = <code>PROOF_ACCOUNT</code> Sales Order = <code>SALES_ORDER</code> Invoice = <code>INVOICE</code> Bank statement = <code>BANK_STATEMENT</code> Other =<code>OTHER</code></p>