Rental Housing Market Development and Regulation Act Article 9

The lessee cannot sublease the rental housing in whole or in part, without the prior written consent by the lessor.The sub-lessor should provide the sub-lessee with the lessor’s written consent document at the time of when signing the sublease. Additionally, the sublease must specify the terms agreed upon and stipulate in the sublease the agreement between the sub-lessor and the lessor, including regarding the lease object, period, and causes conditions for early of contract termination of the contract.The sub-lessor shall inform the lessor in writing within 30 days of after signing the subleases agreement.
中文原文 租賃住宅市場發展及管理條例第9條
轉租人應經出租人書面同意,始得轉租其租用之住宅全部或一部。
轉租人簽訂轉租契約時,應向次承租人提供前項同意轉租之書面文件,並於轉租契約載明其與出租人之租賃標的範圍、期間及得終止租賃契約之事由。
轉租人應於簽訂轉租契約後三十日內,以書面通知出租人。

English translation for reference only; the Chinese text prevails. Not legal advice.