palvelusopimus(An agreement to provide customer service support during specified coverage dates or for a specified number of cases or length of time. When customers contact customer service, the level of support they receive is determined by their contract)
contract An agreement between two or more persons which creates an obligation to do or not to do a particular thing. Its essential are competent parties, subject matter, a legal consideration, mutuality of agreement, and mutuality of obligation['kɔntrækt]n