Pääasiakirjaan

Pääasiakirjaan is the illative form of the Finnish noun pääasiakirja, meaning the main or principal document in a set of records. The term combines pää- (“main”) with asiakirja (“document”). As a grammatical form, pääasiakirjaan denotes movement into or inclusion within the main document.

In Finnish administrative and legal contexts, the main document (pääasiakirja) is the central file that governs a case, filing, or contract. Other documents and attachments are often tied to or referred to in this document. The illative form pääasiakirjaan is used when stating that information or material belongs to, or is to be deposited into, the main document. For example, phrases describing where attachments should go or where new information should be placed typically use this form.

Grammatically, pääasiakirjaan is the singular illative case of pääasiakirja. The illative suffix -an/-ään marks movement into or inclusion within a place or object, depending on vowel harmony; here it yields pääasiakirjaan.

In practice, the term appears in administrative wording and procedural texts, where the integrity of the main document is emphasized and other documents are systematized in relation to it. The counterpart in English is often rendered as “to the main document” or “in the main document.”