Given the task definition and input, reply with output. Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.

Tagalog sentence: Ang pamilya ng aplikante at host ay dapat na magkaroon ng isang nakasulat na kontrata ng au pares na dapat naka-sign ng parehong partido.
Applicant and host family must have a written Au-pair contract which must be signed by both parties.