5 no modification of the contract is valid unless agreed or evidenced in writing 5除非达成书面协议或有书面证据证明，任何对本合同的修改均无效。
2.
Article 3 the convention applies trusts created voluntarily and evidenced in writing . article 4 按照公约第3条，公约的范围限于当事人自愿设定的以书面证明的信托。
3.
Article 33 the local government shall by submitting the facts of the failure and evidence in writing refer to the judicial court any draftee failing to report as provided in the conscription order and the purported evading from reporting to the camp has expired five ( 5 ) days as verified by the local government or the public office 第33条应徵役男不按徵集令规定入营期限报到者，经直辖市、县(市)政府或乡(镇、市、区)公所查明，其故意逃避入营逾五日者，由直辖市、县(市)政府检具事证移送法办。
