Kentucky has this : Small Producer's Guidelines for Handling and Selling Eggs
Here is the link
http://www.kyagr.com/consumer/documents/RI_EGG_SmallProducerGuide.pdf+
SO i got curious about specific laws in KY and dug deeper :)
KRS (kentucky revised statutes) 260.550 has the rules for selling...
Here are the current rules for selling hatching eggs and chicks (under Five months) within the state of KY *KRS 257.400 and a few rules after that. Effective 2019
https://lawreader.com/?p=18969#K400