Abstract
The law that protects the hours of daily work is very sensitive to globalization, especially because nowadays there is pattern for the flexibility and deregulation of certain conditions of work. Through the legislative process or by means of contracts, using productivity and competence criteria, the corporations at the national and international level are trying to do that. For us, there is an example to make flexible and deregulate the hours of work, it is the Spaniard system, which offers to us an opportunity to see what could happen in Mexico.The authors retain the copyright and must provide in writing the authorization for the first publication, via a computer network and printed to Juridical Science. Third parties are allowed to use the published information provided that the authorship of the work and the first publication in this journal are respected and made public.
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