Rule Nine: Special Rules for the Costume Design Award

A Reminder List of all eligible motion pictures shall be made available along with a nominations ballot to all costume designer members of the Designers Branch, who shall vote in the order of their preference for not more than five motion pictures.
To be eligible for the Costume Design award, the costumes for the picture must have been conceived by a costume designer. It is the intention of this rule to recognize the designing of costumes for their special use in motion pictures. Eligibility shall be determined by the costume designer members of the Designers Branch present at a meeting called specifically for that purpose prior to the start of nominations balloting.
In accordance with Rule Two Paragraph 5, only principal position credit(s) shall be considered eligible for the Costume Design award.
The five motion pictures receiving the highest number of votes shall become the nominations for final voting for the Costume Design award.
Final voting for the Costume Design award shall be restricted to active and life Academy members.

Academy of Motion Picture Arts and Sciences