Live action short film, animated short film and foreign language film entries must be submitted by 5pm Pacific Time that day.
In the short film categories, filmmakers must submit an entry form, one film print or copy in an approved digital format and all other required materials by the deadline.
Foreign language entries must be supported by entry forms, one English-language subtitled film print or copy in an approved digital format and all other required materials by the deadline. Only one feature entry will be accepted from each country.
The 84th Academy Award nominations will be announced on Jan 24 2012 and the awards ceremony is set to take place in Hollywood on Feb 26 2012.
Complete 84th Academy Awards rules are available at http://www.oscars.org/rules.