It was coversation with food and veterinary department by emails in Lithuania language. I took about two months to find out a laws of this, and when they said that I get
be disappointed.
Im not so good in english but i'll try to translate:

SFVS inform that hemp seeds can be sold as food. They must be tested for tetrahydrocannabinol (THC) content. Hemp seed samples shall consist of not less than 100 grams, the study cost is about $ 200, the examination time of 15 days. Due to the state of hemp seed sampling seek territorial SFVS. We note that paying for the investigations owner of the production.
It also tells you if the wholesaler sells cannabis seeds sold by seed and provide research data on (THC), ie (research protocol, certificate), testing is unnecessary.

Can you explain more detail "They may be asking for 100g sample FROM SEED (vs from clone)"?