1922 California Proposition 16

Proposition 16, also known as the Chiropractic Initiatives Act, was a California initiated state statute proposed and passed in 1922 to allow for the creation of a state board of chiropractic examiners. Proposition 16 passed with 481,600 Yes votes, representing 59.5 percent of the total votes cast. On the same day, voters approved a similar health care reform, Proposition 20, which allowed for the creation of a state board of osteopathic examiners.

At the time of the vote, 22 states had already passed laws similar to Proposition 16.

Official summary

 * Allowed for the creation of the California Board of Chiropractic Examiners with members appointed by the governor and paid for from receipts under the act.
 * Prohibited the practice of chiropractic without a license from a board-approved institution.
 * Required board-approved institutions to have at minimum 2400 hours of classroom time with minimum hourly requirements for set topics
 * Allowed for the state board to revoke a chiropractic license