Use of customs brokers
In Russian Federation there is no obligation to use a customs broker.
See Chapter 55 «Customs representative» of the Treaty on the Customs Code of the Eurasian Economic Union of 11 April 2017:
Chapter 60 «Customs representative» of the Federal Law of the Russian Federation No. 289-FZ of 3 August 2018 «On customs regulation in the Russian Federation and amendments in certain legislative acts of the Russian Federation»: