regisztrációra
Regisztrációra is a Hungarian expression formed from a noun, regisztráció, and the postpositional suffix -ra/-re. It denotes the purpose or target of an action, and translates roughly as “for registration” or “to register.” The base regisztráció refers to the act or process of registering, i.e., enrolling or entering information to join a service, event, or system. The form regisztrációra specifically marks the object or purpose of the action in contexts where registration is required or intended.
Morphology and usage are typical of Hungarian nominalizations. The -ra/-re suffix signals direction toward or purpose
Relation to related terms: regisztráció a regisztrálás (the act of registering) and regisztrált/regisztráló (the registrant) are
In summary, regisztrációra is the standard Hungarian way to express “for registration” or “to register,” used