Article 225 of Commercial Code

1 Rights may be pledged. Rights evidenced by registered instruments shall be pledged by a written assignment stating that it is by way of security, entered in the books of the body that issued the instrument and annotated on the instrument itself. 2 - Rights evidenced by instruments to order shall be pledged by an endorsement stating that the value is for security. 3 Other rights not evidenced by registered instruments or instruments to order shall be pledged by following the procedures and formalities governing the assignment of rights. 4 Possession of rights shall be transferred by delivery of the instruments evidencing them. If the instrument is deposited with a third party, delivery of the deposit receipt shall be deemed delivery of the instrument itself, provided that the instrument is sufficiently identified in the receipt and that the depositary consents to holding it for the account of the pledgee creditor.