This rule works when the participant delivers goods with the same trademark and characteristics, as in documentation. If he intends to put an equivalent, except consent it is necessary to give concrete indicators of goods.
The consent is formed by means of functionality of an electronic platform (for example, a mark in the corresponding field is given) with participation in auction. Additional documents don't need to be submitted
Document: Letter of FAS Russia of 29.12.2014 N AK/54357/14