We are pleased to inform you that the Agri-Food and Veterinary Authority of Singapore (AVA) has developed an optical watermark system, to be applied to phytosanitary certificates issued by the AVA for export and re-export of plants and plant products. Should you have any questions or concerns arising from the changes described above, or for requests for user ID and passwords, as mentioned in para 2(f), please do not hesitate to contact Ms. Noemi P. Gesmundo at Tel : (65) 67530657/67519842, email: [email protected] or Mr. Eric Casiano Tulang at Tel: (65) 67519816/67519842, email: [email protected] or Mr. Toh Jenn Peow at Tel: (65) 67519816/67519842, email [email protected]. A copy of the original and a copied PC format are attached including the letter to inform NPPOS of the change and security feature of the PC, are attached.