California is the only state so far that has banned the practice.
In 2005, the country's religious authority banned the practice of forced marriage.
This year, however, a rule change banned the qualifying practice.
A law banning the practice nationwide was made in 2011.
California has passed enacted a law banning the practice but it remains legal in other states.
A law banning the practice was passed within the year, but enforcing it has been difficult.
Banning the practice has been a goal of campaign reform groups for years.
Louisiana was ultimately the last state in the Union to ban the practice, and the measure did not take effect until 2008.
But they noted that several other countries, including Britain, have already banned the practice.
Some committees, for example, have banned the practice of giving to both candidates in a general election.