What is the act of taking someone else's courier?

Legal analysis: taking someone else's express without permission is theft.

Legal basis: People's Republic of China (PRC) Public Security Administration Punishment Law.

Article 48 Whoever impersonates, conceals, destroys, opens or illegally checks other people's mail shall be detained for not more than five days or fined not more than 500 yuan.

Article 49 Whoever steals, swindles, robs, robs, extorts or intentionally damages public or private property shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan; If the circumstances are serious, he shall be detained for more than 10 and less than 15, and may also be fined less than 1000 yuan.