Pro-government candidates will be competing against each other as well as opposition candidates.
Some 264,589 people are eligible to vote.
JP MP Abdul Latheef Mohamed proposed amending the criteria for parliamentary candidates.
Primaries will be held to elect MDP candidates for 77 constituencies.
The PPM ticket was awarded to 42 candidates without a primary contest.
The 51-year-old is running for the newly-formed mid-Machanghoalhi constituency in the capital Malé.
The Elections Commission warned MVR80 million was not enough for the parliamentary elections in March.
The number of constituencies rises to 87.