Notice

https://docs.google.com/document/d/1ql8I3bMuHE6MtBxECtIuxGBIyQ_1LGZyBCu5sF_4_5Y/edit?usp=sharing

https://docs.google.com/document/d/1Qrfy7diE-Dw3btJ49GQpGEl1UTzrT3bQnYoleMb9L0E/edit?usp=sharing

It should be modified and agreed by 20th Jun 2022.