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.
A deduction is allowed for amounts paid to care for a qualifying child, or a disabled dependent or spouse so that a taxpayer may work or look for work. Massachusetts bases its child care expense deduction on the amount of qualifying expenses used to compute the federal child care credit under I.R.C. Â§ 21.