Although each state has its own legislative schedule and idiosyncrasies, preemption does have its seasons. Four states (Montana, Nevada, North Dakota, and Texas) meet only in odd numbered years, and the remainder annually. In addition to a regular session with a planned beginning and end, the governor and/or legislature have the authority to convene “special” sessions.
Preemption has often been introduced early in the year, especially in those states with a short regular session beginning in January. However, in states with a longer regular session or a special session after Labor Day, it is equally important to monitor preemption bills throughout the year, and especially any late-in-session amendments to pending bills.