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First and foremost ...

Deposits in HAL must comply with intellectual property rules and legislation :


About versions

There are often several different versions of one published article, which correspond to the steps in the publication process (writing, submitting, editing, accepting, publishing and distributing) :

*Numerous terms are employed to designate these versions (working paper, preprint, postprint, publisher file, etc.) but it is not uncommon for their meaning to vary depending on the source.


It is important to know about these differences and to take them into account if you wish to make an open source deposit.
Terms of distribution vary from one publisher and/or journal to another. Contracts have to specify which versions can be distributed in open access by an author, along with the publisher's copyrighted material.

For more information, visit the legal aspects page of the HAL documentation..


The French law

The Law for a Digital Republic :

Article 30 of this law makes clear that if research :

This can be done from the moment of publication, if the publisher allows, but a publisher’s embargo cannot last more than 6 months for a publication in the domain of sciences and no more than 12 months for a publication in the domain of humanities and social sciences.

For more information :



The national plan for open science :

On July 4th 2018, the minister of Higher Education, Research and Innovation Frédérique Vidal launched the national plan for open science, which aims at making open access compulsory for state funded research.

Learn more about the plan.


European recommendations

Funding program Horizon 2020 (or H2020) for research and innovation, effective from 2014 to 2020, recommends open access for research publications funded by it. It also makes open access compulsory for research data.

For more information, visit the website Horizon 2020.


Useful resources

Viewing a publisher's distribution policy :

There are 3 data bases listing publishing policy in terms of copyright and archiving : Sherpa-Romeo (worldwide journals), Héloise (French journals), Dulcinea (Spanish journals).p>




Consulter Sherpa-Romeo





Learn about rights and duties :

Willo (WillOpen) is a questionnaire developed by the staff at Lilliad (University of Lille), with a goal to offer a publishing scenario suiting a researcher's situation, based on his answers to the questions, and taking into account his legal rights and duties..



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