What are EU regulations?

Regulations are the most direct form of EU law - as soon as they are passed, they have binding legal force throughout every Member State, on a par with national laws. National governments do not have to take action themselves to implement EU regulations.

They are different from directives, which are addressed to national authorities, who must then take action to make them part of national law, and decisions, which apply in specific cases only, involving particular authorities or individuals.

Regulations are passed either jointly by the European Council and European Parliament or by the Commission alone.

http://ec.europa.eu/community_law/introduction/what_regulation_en.htm