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A film distributor is a company or individual responsible for the marketing of a film. The distributor may set the release date of a film and the method by which a film is to be exhibited or made available for viewing: for example, directly to the public either theatrically or for home viewing (DVD, video-on-demand, download, television programs through broadcast syndication etc.). A distributor may do this directly, if the distributor owns the theaters or film distribution networks, or through theatrical exhibitors and other sub-distributors. A limited distributor may deal only with particular products, such as DVDs or Blu-ray, or may act in a particular country or market.
Theatrical distribution 
If a distributor is working with a theatrical exhibitor, the distributor secures a written contract stipulating the amount of the gross ticket sales to be paid to the distributor by the exhibitor (usually a percentage of the gross) after first deducting a "floor", which is called a "house allowance" (also known as the "nut"), collects the amount due, audits the exhibitor's ticket sales as necessary to ensure the gross reported by the exhibitor is accurate, secures the distributor's share of these proceeds, and transmits the remainder to the production company (or to any other intermediary, such as a film release agent).
The distributor must also ensure that enough film prints are struck to service all contracted exhibitors on the contract-based opening day, ensure their physical delivery to the theater by the opening day, monitor exhibitors to make sure the film is in fact shown in the particular theatre with the minimum number of seats and show times, and ensure the prints' return to the distributor's office or other storage resource also on the contract-based return date. In practical terms, this includes the physical production of film prints and their shipping around the world (a process that is beginning to be replaced by digital distribution) as well as the creation of posters, newspaper and magazine advertisements, television commercials, trailers, and other types of ads.
The distributor is also responsible for ensuring a full line of advertising material is available on each film which it believes will help the exhibitor attract the largest possible audience, create such advertising if it is not provided by the production company, and arrange for the physical delivery of the advertising items selected by the exhibitor at intervals prior to the opening day.
If the distributor is handling an imported or foreign film, it may also be responsible for securing dubbing or subtitling for the film, and securing censorship or other legal or organizational "approval" for the exhibition of the film in the country/territory in which it does business, prior to approaching the exhibitors for booking. Depending on which studio that is distributing the film,the studio will either have offices around the world, by themselves or partnered with another studio, to distribute films in other countries. If a studio decides to partner with a native distributor, upon release both names will appear. The foreign distributor may license the film for a certain amount of time, but the studio will retain the copyright of the film. 
Early distribution windows 
Although there are numerous distribution techniques today, previous to the multi-channel transition, studios and networks did not experiment with different distribution processes. Studios believed that the new distribution methods would cause their old methods of revenue to be destroyed. Within time, the development of new distribution did prove to be beneficial. The studios revenue was gained from myriad distribution windows. These windows created many opportunities in the industry and allowed networks to make a profit and eliminate failure. These new distribution methods benefited audiences that were normally too small to reach and expanded the content of television. With the new age of technology, networks accepted the fact that it was a consumer demand industry and accepted the new models of distribution.
Non-theatrical distribution 
This term, used mainly in the British film industry, describes the distribution of feature films for screening to a gathered audience, but not in theatres at which individual tickets are sold to members of the public. The defining distinctions between a theatrical and a non-theatrical screening are that the latter has to be to a closed audience in some way, e.g. pupils of a school, members of a social club or passengers on an airliner, and that there can be no individual admission charge. Most non-theatrical screening contracts also specify that the screening must not be advertised, except within the group that is eligible to attend (e.g. in a membership organisation's newsletter or an in-flight magazine).
The largest market for non-theatrical distribution is probably the airlines, followed by film societies. Non-theatrical distribution is generally handled by companies that specialise in this market, of which Filmbank  is Britain's largest, representing the major Hollywood studios. Home video media is sold with a licence that permits viewing in the home only (hence the copyright notice that appears at the start of many VHS tapes and DVDs which states that the content must not be shown in oil rigs, prisons or schools). Until these technologies were widespread, most non-theatrical screenings were on 16mm film prints supplied by the distributor. Today, the most common business model is for a distributor to sell the exhibitor a licence that permits the legal projection of a copy of the film, which the exhibitor buys separately on a home video format. These licences can either be for individual, one-off screenings, or cover an unlimited number of screenings of titles represented by that distributor for a specified time period. The latter are often purchased by pubs and students' unions, to enable them to show occasional feature films on a TV in their bars.
Home video distribution 
Some distributors only handle home video distribution or some sub-set of home video distribution such as DVD and/or Blu-ray distribution. The remaining home video rights may be licensed by the producer to other distributors or the distributor may sub-license them to other distributors.
If a distributor is going to distribute a movie on a physical format such as DVD, they must arrange for the creation of the artwork for the case and the face of the DVD and arrange with a DVD replicator to create a glass master to press quantities of the DVD.
Today some movie producers are using a process called "DVD-on-demand." In DVD-on-demand, a company will burn a DVD-R (a process called "duplication") when a copy of the DVD is ordered, and then ship in to the customer.
A distributor may also maintain contact with wholesalers who sell and ship DVDs to retail outlets as well as online stores, and arrange for them to carry the DVD. The distributor may also place ads in magazines and online and send copies of the DVD to reviewers.
See also 
- Levison, Louise. (2007) "FILMMAKERS AND FINANCING". Burlington, MA: Focal Press. p. 119-120
- Lotz, Amanda. The Television Will Be Revolutionized