There are multiple definitions - click on the translation that matches your context.

Beitrag

Substantiv

partial

article

noun

Comparative law notes

Austria

This would be an appropriate translation in the context of a piece of writing which has been contributed to a publication.

Definitions of article

English

a numbered section of a law, contract or other legal document

I refer you to article 3 paragraph 2 of the Company Act 2006.