Even if you have signed as an owner-builder on the building permit: 1  you and a builder, contractor or tradesperson must enter into a written contract for domestic building work costing more than $5,000.
1 The parent who the child spends the most time with may claim the dependent. 2  If the child spends equal time between both parents, then the parent with the highest adjusted gross income may claim the dependent. 3  If only one of the taxpayers is the childâs parent, that parent may claim the dependent.
The sibling who claims the parent as a dependent must fill out IRS Form 2120 and file it with his or her tax return: IRS Form 2120: Multiple Support Declaration (pdf). Medical deductions. Even if you can't claim your mom as a dependent, you may still get a tax break for helping pay her medical costs. The IRS lets taxpayers deduct money spent on a parent's health care, even if the parent doesn't qualify as a dependent.