Police have arrested 24 people and linked 36 to an alleged civil registration fraud network in Wiang Kaen and Mae Sai, Chiang Rai. Authorities are examining whether Thai ID status used to set up companies and buy land was obtained fraudulently. For a business in the border areas, expect tighter checks on customers, partners and landlords holding Thai or zero-number IDs, and on company registrations linked to them. No direct cost change is stated in the article.