A balloon payment is a lump sum payment that is significantly larger than the monthly payments and paid at the end of a loan's term. Certificates of Fitness.The Fire Department of New York (FDNY) issues Certificates of Fitness (COF) for various types of dangerous occupations. A balloon payment is one structure to consider for promissory note repayment. Read about the pros and cons of this type of loan. You can deduct them as rent if they are a business expense or if they are for rental property. Download your Balloon Note Template in Word Doc format. It explains how to figure your deduction for the business use of your home, which includes the business part of your home mortgage interest. Though they captured a lot of stress of the job quite well, I felt like there were some details that might not have played out as such in a real kitchen.