Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to claim a child tax credit [title] Make sure you qualify to use this form. [step] If your child has an individual tax identification number instead of a social security number, you must use schedule 8812. If you're claiming certain other credits such as the adoption credit or mortgage interest credit, you need to use publication 972.

Ending1: All other taxpayers use the worksheet accompanying form 1040 or form 1040a. [title] Enter the number of qualifying children you have on the first line. Ending2: [title] Open the blank lines on the form. [step] Make sure all capital letters and numbers in the form are aligned evenly. Ending3: [substeps] Single bank deposits (such as a security deposit for the current year) are not eligible to use child tax credit. But combined with other incomes, such as the adoption credit or mortgage interest credit, you may want to use one of these to claim your child's tax credit. Ending4: [title] Read the contract regarding this type of credit. [step] Make sure that you understand all terms of that credit application.

Answer format: ending1/ending2/ending3/ending4