It is totally up to you whether you believe in Eurasian Economic Commission regulatory entries. However, the facts are that EEC submissions often list products months in advance, but they also list products that are never released. MSI Z490 series The EEC may not be the best source for direct AMD and NVIDIA leaks, it is, however, a good source for future board partner's products. Not all of them are released, it seems that OEMs (or their distributors) simply submit all possible product names, in case they are needed. For motherboards, the EEC seems to be on a better side...

Keep on reading: MSI Z490 motherboards for Comet Lake-S appear at EEC