The Check Writng Partner has been specifically designed for the administration of your business or personal checkbook. Its primary goal is to facilitate the function of check writing while maintaining your checkbook's balance. The Check Writng Partner has been specifically designed for the administration of your business or personal checkbook. Its primary goal is to facilitate the function of check writing while maintaining your checkbook's balance. Its simple design allows you to keep track of vendors and contact information, as well as breakdown check expenses. In addition, you can automate recurring expenses, such as rent and insurance payments.