Journal of "Control and Optimization in Applied Mathematics" (COAM) has signed an agreement with BEST editing services, a well-known provider of editing services based in Iran. As a result of this agreement, Best offers editing services to COAM authors at a 15% discount. To be eligible for the discount, a COAM author is required to mention the manuscript number assigned to his/her manuscript. This can be done, for example, by using the COAM-Manuscript ID as the name of the main file to be uploaded to the BEST via the following email: syntaxbild@gmail.com