She served as a Minister of Justice between 2009 and 2013, and as the president of the National Assembly of Madagascar from February till May 2014, becoming the first woman in this position.

[3] On 17 March 2009, as a result of 2009 Malagasy political crisis, president Marc Ravalomanana was removed from his position, and the High Transitional Authority, led by Andry Rajoelina, was formed.

The High transition authority elected Rajoelina the president of Madagascar, and Albert Camille Vital became the Prime Minister and formed the government.

[5] In 2013, she was elected to the National Assembly from Ambatofinandrahana District representing the MAPAR party, founded by the former president Andry Rajoelina.

[9] In March 2024, the High Constitutional Court (HCC) pronounced the disqualification of Christine Razanamahasoa from her position as deputy “with all the legal consequences”.