Each three-year legislative term consists of 42 deputies, with 26 elected through relative majority and 16 through proportional representation.

The current legislative term, known as the LXXVII Legislature, started in 2024 and concludes in 2027 following the local elections.

The first legislative session started on August 1, 1824, with the goal of drafting the state's constitution, which was approved on March 5, 1825.

[1] Article 71 of the Nuevo León Constitution establishes eligibility criteria for deputies.

Each deputy must meet the following requirements:[3][4] Article 71 also notes that public servants mentioned in the eligibility criteria, with the exception of the state governor and members of any election commission, may be elected as deputies if they take a leave from the office they represent at least one day before their campaign starts.