After a year’s grace the DCL are implementing the size restrictions on bats for the Premier League in 2019 which were part of the new 2017 MCC Laws.
The DCL made it clear at their AGM, bats will be inspected prior to play.
Evo a Level 1 Umpire has therefore been proactive in the testing of bats using an ACO approved gauge:
Evo is available for most Sunday afternoon net sessions if you want your bat(s) tested. Just email him firstname.lastname@example.org