Below is the link for the Mandatory Diamond Leader Training in order to be a coach during All-Stars.

If you coached last year in All-Stars the player agent has your certificate and a new copy of the certificate is not required.

If you are new to completing the diamond leader training; you will need to e-mail a PDF copy of the diamond training certificate to the player agent at [email protected] no later than 9 PM Thursday, May 8th.

https://www.littleleague.org/diamondleader/