An extension contract shall be signed and shall become an inseparable part of the original.
An extension contract shall be signed and shall become an inseparable part of the original.
经延长期限后的合同须另行签署，同时成为原有合同不可分割之组成部分。
An extension contract shall be signed and shall become an inseparable part of the original.
经延长期限后的合同须另行签署，同时成为原有合同不可分割之组成部分。