You are locked into the payroll deduction for the length of the Plan Document Year (usually 12 months)
If any funds have not been used (reimbursed) by you at the end of the Plan Document Year, those unused funds cannot be returned to you
The person providing child care will be expected to pay taxes on the cost of that care. To be sure that this is the case, you must provide the social security number of the provider when you turn in the voucher
Expenses reimbursed under this plan may not be used when calculating your medical expense deduction or the dependent care tax credit. Because it is sometimes more advantageous to take the dependent care tax credit on your tax return than to participate in the dependent care expense account, you should discuss which alternative is the best with your tax consultant.