OK, went to the site, paid my $$...do they mail you the biosphere bracelet?https://pasaportedelaconservacion.conanp.gob.mx/vistas/inicio.php
Did this a few months ago. Used a credit card that I use intentionally so there was no issue.
You should have been prompted to print the PDF. Log back into your account and look for the doc. I believe it's under 'your pinche papers' or something like that. I save the pdf to my pc and then send it to my phone. Then print it when you get a chance. Let me know if it works out, I can help you if it doesn'tOK, went to the site, paid my $$...do they mail you the biosphere bracelet?