We would encourage anyone interested in baseball to become an umpire. Umpires are required at all levels of baseball, and we can't play ball without them.
GBL Competition Rules 2020 - From Little League to Masters contains all of the rules being followed for the GBL competition. There is division specific excerpts below.
GBL Competition Rules - Seniors
GBL Competition Rules - Juniors
GBL Competition Rules - Masters
GBL Competition Rules - Women
GBL Pitch Count 2020-2021 New pitch numbers for all from Little League to U/20.
GBL Tie-Breaker Curfew Rules Due to Covid new timing for game finishes.
Aussie T Ball Manual
T-Ball and Rookie Ball Rules 2020-2021 Brisbane North Region
Baseball Australia's Bat Regulations for Junior players
For all things relating to becoming a Baseball Umpire, please see the QLD Baseball Umpires Association website.
Other helpful resources:
2019 Baseball Rules
GBL Competition Rules
Umpires Path
Level 0 Manual
Level 1 Manual
Level 2 Manual
Incident Report Forms
Umpire Numbers (as of November 2019)