This for may be processed electronically at www.compass.state.pa.us/CWIS. You may still complete and mail the PA Child Abuse History Clearance form to ChildLine and Abuse Registry, Department of Public Welfare (see below). Along with this form, you will need to attach an $8.00 money order (*Effective 7/1/18 the fee will increase to $13.00) made payable to Department of Public Welfare. This background check is required for all those who work with children. Background checks must be renewed every five (5) years.