Where it comes from
The line in the source
香川県は、株式会社ポケモンと「地域活性化に関する連携・協力協定」を締結し、ポケモンの「ヤドン」をうどん県PR団に任命して (Kagawa concluded a regional revitalisation cooperation agreement with TPC and appointed Yadon to the Udon Prefecture PR team.) Signing date not given.