Creative Contribution to Performances and Cinematographic Works
Persons who make creative contribution to a performance or cinematographic work, including the director, editors, camera operators, stage managers, composers, scenarists, sound technical, lighting technical, studio artists, studio instrument managers, technical managers and others who made contribution of a like nature, shall be considered joint the authors of the cinematographic work.
Such contributing authors shall be entitled to be named for their contribution unless it is not feasible under the circumstances.
More detail: Law on Intellectual Property (Chapter4, Article 96)
You can download PDF file here: Lao IP LAW – 05.02.2012.(Eng. Version)doc