Dear Zen ~
I live in the States. As a teacher I went to the muncipality in which I lived & simply a requested a certified, legal document of my criminal background, I needed for a teaching position. No reasons or dicussions needed. I asked for the document, they gave it to me.
I went to the Child Welfare Dept. requesting a certified, legal document
declaring I have never abused children. I needed the legal papers for a teaching position. Again no explanations needed. The legal documents say it all.

Zen all these legalities are obstacles for the "bad" guys out there, but you are a wonderful, great person! So relax please, go for your goal - to contribute to education & help make it a better world. That's the Zen I know & love. Just relax, & let them see you shine too.

Best of Luck,
Holmes