- The artistic and technical contribution of each coproducer shall be in reasonable proportion to his or her financial investment and shall maintain a general balance.
- At least one leading actor, one supporting actor and/or one qualified technical staff person, in addition to one key creative person (screenwriters, directors, composers, editors, directors of photography, art directors, actors and sound technicians). The leading actor may be substituted by two qualified technicians.
- All participants shall be nationals of either Germany or Spain or nationals of a member state of the EU. If required by the film, professionals who are not citizens of one of the coproducing countries may be permitted, in exceptional circumstances, and subject to agreement by the competent authorities.
- Financial coproductions are allowed but subject to agreement between the competent authorities. In case of coproductions exclusively financial, the contribution may not exceed 25% of the total cost of the film.