Basis is your starting point for figuring a achieve or loss should you later sell your home, or for figuring depreciation when you later use part of your house for enterprise purposes or for hire. As part of your tax data, you must maintain your old MCC and the schedule of payments on your old mortgage.. In most instances, the agency House & Home Improvement News that issues your new MCC will be positive that it would not enhance your credit score. However, if…