A method, system, and program for billing for service provided to destination device according to the calling plan of the individual receiving the call. Preferably, the material of the second layer comprises polypropylene and includes an adhesive on one side thereof for securing the removable portion to the first layer and the first layer includes a release coating to facilitate removal of the portion therefrom, the adhesive and release coating providing a release strength factor of between 17 grams force50 mm and 30 grams force50 mm. Methods for providing the nanoparticles are also provided. The apparatus further comprises a verification server having first and second network interfaces for connecting the computer network and the database thereto, wherein the first and second network interfaces are disjunct such that the database is not accessible to the computer network.