WFNJ limits assistance to a maximum of 60 months (five years) over your lifetime. Eligibility is determined by the County. You may be eligible to receive subsidy assistance for child care as long as you have an open TANF/WFNJ case through Mercer County and fulfill the program requirements. Once you gain employment, your TANF case cash benefits will be reduced and eventually stop. If eligible, child care assistance may be extended for up to two years under Post TANF.