Warning: Children in this community protected by child registry

Sign at the Pennsylvania state line on Route 94, warning motorists that children in the community are protected by a child registry of some sort. Unfortunately, when I researched this registry, I couldn’t find anything related to it. Does anyone know?

More at The Schumin Web:
www.schuminweb.com/2016/08/27/i-have-been-to-pennsylvania...

Ben Schumin is a professional photographer who captures the intricacies of daily life. This image is all rights reserved. Contact me directly for licensing information.

Keywords
Information

2016 , 94 , adams , august , ben , by , child , children , community , County , orange , pa , pennsylvania , protected , registry , road , roads , route , schumin , schuminweb , sign , signage , signing , signs , state , this , warning , web , yellow

Author: Ben Schumin
Created on: Monday 8 August 2016
Dimensions: 3984*2988
Location: Plugin by xbgmsharp
Leaflet
© OpenStreetMap contributors, (ODbL)
View on OpenStreetMap
Location : 39.723708, -76.919059
Keywords: 2016, 94, adams, august, ben, by, child, children, community, County, orange, pa, pennsylvania, protected, registry, road, roads, route, schumin, schuminweb, sign, signage, signing, signs, state, this, warning, web, yellow
Albums: Photos by date / 2016
Photos by location / Pennsylvania / Adams County
Photos by subject / Transportation / Roads / Road signs