Chapter 13 Statement of Your Current Monthly Income and Calculation of Commitment Period is a document filed in a Chapter 13 bankruptcy case that details the debtor's current monthly income and the length of the repayment plan. The statement includes gross monthly income from all sources, including wages, salaries, commissions, Social Security, unemployment, public assistance, pension and retirement income, investment income, and alimony or child support. The statement also lists the debtor's monthly expenses, including living expenses, secured debt payments, and unsecured debt payments. The statement is used to calculate the debtor's disposable income which is then used to determine the length of the repayment plan. Types of Chapter 13 Statement of Your Current Monthly Income and Calculation of Commitment Period include Form 122A-1, Statement of Current Monthly Income and Calculation of Commitment Period, Form 122A-1Supp, Statement of Exemption from Presumption of Abuse under 707(b)(2), and Form 122C-1, Calculation of Your Disposable Income.