Section 19. Seal and Use of Seal. —

A duly licensed Landscape Architect shall affix the seal approved by the Board on all plans, drawings, specifications and all other contract documents prepared by or under his/her direct supervision.

1. Each registrant shall, upon registration, obtain the seal of such design as the Board may adopt and plans and specifications prepared by or under the supervision of a registered Landscape Architect, shall be stamped with the said seal. No person shall stamp or seal any document with the seal of a registrant after his/her professional license has lost its validity unless he/she has been reinstated to the practice.

2. No officer or employee of the government, chartered cities and municipalities now or hereafter charged with the enforcement of laws, ordinances or regulations relating to the construction or alteration of the landscape shall accept or endorse any landscape plan or specification which have not been prepared and submitted in full accord with the provisions of this Act, nor shall any payment be approved by any such officer for any work, the plans and specifications of which have not been so prepared, signed and sealed by a duly licensed Landscape Architect: Provided, That the cost of construction or alteration of the landscape shall be more than Three hundred fifty thousand pesos (P350,000.00).

3. No Landscape Architect shall sign his/her name, affix his/her seal or use any other method of signature on plans, specifications or other documents made by or under another Landscape Architect's supervision unless the same is made in such manner as to clearly indicate the part of such work or any function of Landscape Architecture practice not actually performed by him/her. The Landscape Architect in charge shall be fully responsible for all plans, specifications, and other documents issued under his/her seal or authorized signature.

The Board shall formulate, adopt and promulgate all necessary rules and regulations for the effective implementation of the provisions relating to the design of the seal the signing and sealing of drawings, specifications, report and other documents by Landscape Architects.(d) Drawings and specifications duly signed, stamped or sealed as instruments of service are the property and documents of the Landscape Architect, whether the project for which they were made is executed or not. No person without the written consent of the Landscape Architect or author of said documents shall duplicate or make copies of said documents for use in the repetition of and for other projects or buildings, whether executed partly or in whole.(e) All drawings, specifications and other documents to be used for the construction, renovation or refurbishing of landscape works shall be signed and sealed by a licensed Landscape Architect.

Violation of any of the foregoing shall be a ground for administrative and/or criminal action.