5. Validity of a secured interest

Any mortgagor, pledgor, conditional transferor, lessor or assignor may accept a collateral for securing such mortgage, pledge, conditional transfer, financial lease or assignment:

Provided however no such person shall accept any secured interest other than a secured interest in the purchase money of consumer goods belonging to the debtor:

Provided further such security interest may not be deemed to be invalid due to the rights enjoyed by the debtor to use, sell, exchange or otherwise dispose of such security.