**Refresher required?** Not all states have mandatory, periodic refresher training requirements but some states do. Search this list and determine the refresher timeline for your state.* If your state is not on this list, then there is no refresher requirement (unless required by the state UST agency due to a violation).
*

If you’re in: |
Then a refresher is required every: |

Alaska | 1 year for Class C |

Arizona | 3 years for Class A/B and C |

California | 1 year for Employee (Class C) and 2 years for DO or Designated Operator (Class A/B) |

Connecticut | 2 years for Class A/B and C |

Georgia | 7 years for Class A/B and C |

Guam/CNMI | 2 years for Class A/B and 1 year for Class C |

Hawai’i | 5 years for Class A/B, every 1 year for C |

Illinois | 4 years for Class A/B and C |

Indiana | 3 years for Class A/B and C |

Kansas | 4 years for Class A/B and C |

Kentucky | 1 year for Class A/B (formally “DCM”) |

Maine | 2 years for Class C |

Michigan | 5 years for Class A/B |

Nebraska | 5 years for Class A/B, 3 years for Class C |

New Mexico | 5 years for Class A/B and C |

Oklahoma | 3 years for A/B and C |

Pennsylvania | 1 year “briefing” for Class C |

Puerto Rico | 1 year for Class A/B and C! |

Rhode Island | 5 years for Class A/B and 2 years for Class C |

Texas | 3 years for Class A/B and C |

USVI | 3 years for A/B and C |

Vermont | 2 years for Class A/B and C |

Washington DC | 1 year “briefing” for Class C |