As an aside , it is good that a written contract was entered into because a contract for the sale and purchase of land must be in writing signed by the parties involved in order to be legally enforceable under new zealand law 另外一个与之相关的话题是，爱丽丝父母签署的是书面合同，这很好，因为根据纽西兰的法律，任何与房地产有关的合约都必须是书面的，只有经各方当事签署之后，才有法律约束力。
Article 97 where an organ employs a civil servant , a written contract of employment shall be concluded so as to clarify the rights and obligations of the organ and the civil servant employed , adhering to the principle of equality , willingness , consensus reached through consultation 第九十七条机关聘任公务员，应当按照平等自愿、协商一致的原则，签订书面的聘任合同，确定机关与所聘公务员双方的权利、义务。
Article 1 the term ` ` collective agreement ? ? as used in this law refers to a written contract , concluded between an employer or an incorporated organization of employers on one hand and an incorporated organization of workers on the other hand for the purpose of specifying labor relations 第1条(团体协约、劳动关系)称团体协约者，谓雇主或有法人资格之雇主团体，与有法人资格之工人团体，以规定劳动关系为目的所缔结之书面契约。
So the establishing of pledge right entails first the signing of a written contract , and secondly the registration of the pledge in administrative authorities . but if a written contract was not signed , the pledge does not necessarily have no effects . it is effective under conditions conforming to law 由此可见，设定知识产权质权首先应订立书面合同，但当事人未订立书面合同并非当然无效，在适法条件下也是有效的；其次，设定知识产权须向有关管理部门办理质押登记。
Pledge right of intellectual property is established according to the act of pledge . according to the 79 " " article of the law of guarantees of china , when exclusive right of trademarks , patent right , and copyright are pledged , a written contract should be signed and registered in the administrative authorities 依我国《担保法》第79条规定，以依法可以转让的商标专用权、专利权著作权中的财产权出质的，出质人与质权人应订立书面合同，并向其管理部门办理登记。
