Author information: (1)Dr. von Hauner Childrens' Hospital, Ludwig Maximilians University, Munich, Germany. Pulmonary surfactant is a complex and highly surface active material composed of lipids and proteins which is found in the fluid lining the alveolar surface of the lungs.
You must meet several criteria to qualify for the child and dependent care credit. To qualify, you must meet all of the following: 1  You (and your spouse, if you are married filing jointly) must have earned income for the tax year.  You must be the custodial parent or main caretaker of the child or dependent.
Filing a Childâs Tax Return. You can file your childâs taxes for free at TurboTax. If you want, you can also attach it to your return if the income is less than $10,000 and only from interest or dividends. This option is available to children under age 19 (or a full time student under 24) using Form 8814.