Here are the two things you need to register for the Spring 2017 BPBL season:
BPBL HANDBOOK - (This handbook has all league information including dates, price, location, league rules....etc):
https://docs.google.com/document/d/1TgUXtUMSahnX6nfCAKLeMwXbaqsJ7BfMiRRH5Xl3v64/edit
REGISTRATION FORM - (Fill this form out and mail it to the address on the form along with your registration payment):