NoArtCase: Case is marked on nouns, not articles.

(1) egy füzet

a notebook

‘a notebook’

(2) a füzet

the notebook

‘the notebook’

(3) egy füzet-ben

a notebook-ine

‘in a notebook’

(4) a füzet-ben

the notebook-ine

‘in the notebook’

In Hungarian, the article is a distinct grammatical category (cf. Kugler 2000b: 282‒287). Neither the indefinite (1), (3), nor the definite articles (2), (4) can take suffixes.