The Repository is a measure of transparency for the use of the SIN that cannot be succinctly captured in Appendix A of the Directive on Social Insurance Number. For example, there are several programs across many institutions that cite the Income Tax Act as the legal authority to collect the SIN as their institution must issue tax slips to individuals. There is not a straightforward way to list every single one in the Directive itself. Interested members of the public may now download the repository and see how many programs within an institution collect or use the SIN.