step1 :Login into MasterGST using same email and password as you registered.
step2 :click on ADMIN in menu bar. In ADMIN panel click on Reminders.
step3 :There are two way to send reminders. One way is by clicking on REMINDand write the Message and other require part of the application.
step4 :To send reminder to all customer click on the check-box at left side then click SEND REMINDERSand fill in 'SEND REMINDERS' part of the application.
Following these steps you can send REMINDERS to your customers.