Section 28Sec./Art. 28

Proprietary Rights. An interior designer shall enjoy proprietary rights over all drawings and specifications and other contract documents prepared by him/her resulting from his/her professional labor and duly signed, stamped or sealed by him/her, as instruments of service, as well as over the original concepts and designs contained and/or included therein.

No person may engage in any activity prejudicial to the proprietary rights of the interior designer, including the reproduction of the contract work or substantial portion thereof, making any alteration, distortion, mutilation, or other modification of, or any derogatory action in relation to, the contract work and the detailed works contained therein, without the written consent of the interior designer unless the said contract work is a commissioned piece of work duly paid for by the person or party who/which commissioned the same in which case the said person or party shall have the right to alter, revise and/or modify the drawing, specification, design, concept and/or contract works.