Chart: Dates of 2010 amendments to state constitutions
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Dates of enactment
|State||Number of proposed amendments||Number of amendments passed||Date of constitutional change|
|Arizona||8||4||Nov. 29, 2010|
|Arkansas||3||3||Dec. 3, 2010|
|California||8||6||Nov. 30, 2010|
|Florida||6||3||Jan. 1, 2011|
|Georgia||5||4||Jan. 1, 2011|
|Idaho||4||4||Nov. 3, 2010|
|Illinois||1||1||Dec. 3, 2010|
|Indiana||1||1||Nov. 15, 2010|
|Iowa||1||1||Nov. 29, 2010|
|Kansas||2||2||Nov. 29, 2010|
|Louisiana||12||10||Jan. 1, 2011, Apr 1, 2012|
|Maryland||2||2||Dec. 2, 2010|
|Michigan||1||1||Dec. 18, 2010|
|Missouri||3||3||Dec. 14, 2010|
|Montana||1||1||Nov. 23, 2010|
|Nebraska||3||2||Dec. 12, 2010|
|New Jersey||1||1||January 1, 2011|
|New Mexico||5||3||Nov. 23, 2010|
|North Carolina||1||1||Nov. 23, 2010|
|North Dakota||1||1||June 30, 2011|
|Oklahoma||10||8||Nov. 16, 2010|
|Oregon||6||6||Dec. 2, 2010|
|South Carolina||4||4||Nov. 12, 2010|
|South Dakota||2||1||Nov. 8, 2010|
|Tennessee||1||1||Dec. 3, 2010|
|Utah||4||4||Jan. 1, 2011|
|Vermont||1||1||Nov. 3, 2010|
|Virginia||3||3||Jan. 1, 2011|
|Washington||2||2||Dec. 2, 2010|
The following was the method used to obtain the most accurate information as possible:
- State constitutions were used to figure the exact date in which the constitution is change. If not specifically listed in the state document, then:
- State statutes were used as references as to when results were canvassed and when they were officially certified by the state governor, therefore placing the measure into effect in the state constitution. To confirm this information:
- State offices were contacted. When contacting some offices, the information that was given reflected the date when official election results were scheduled to be canvassed, therefore placing the amendment into effect.
- Some amendments indicated the effective date in legislative bill texts.
- Of the four approved constitutional amendments, Proposition 100 appeared on the May 18 election ballot and is in effect. The measure took effect on June 1, 2010.
- Two of the six approved constitutional amendments - Proposition 13 and Proposition 14 - appeared on the June 8 election ballot and are in effect.
- According to the Colorado Legislative Council Research Staff, "While there is not a date certain for Referendum Q [the lone amendment that passed] to take effect, it appears that the governor issued a proclamation on January 8, 2009, following the general election in 2008."
- According to the Idaho Secretary of State's office, the Idaho Constitution was in the ongoing process of being updated as of November 17, 2010
- Of the 10 approved constitutional amendments in 2010, two appeared (Amendment 1 and Amendment 2) on an October 2 ballot. Amendment 1 will be in effect on January 1, 2012.
- Amendment 2 becomes effective April 1, 2012
- Amendments are currently published, but certification of results will not be released until this date at the latest, according to the Montana Secretary of State's office.
- One of the approved amendments - Amendment 1 - appeared on an earlier ballot (May 11, 2010) and is in effect.
- [Confirmed with NJ Division of Legislative Services via phone on December 10, 2010]
- Two Ohio amendments were passed during the May 4, 2010 primary election, and are already in effect
- Two of the approved amendments - Measure 68 and Measure 69 - appeared on the May 18, 2010 ballot and are in effect.
- Results will be certified by this date. However, the constitutional amendment that passed is already in effect, according to the Article 11, Section 3 of the Tennessee Constitution and the Tennessee Department of State's office when contacted by Ballotpedia.