Things have been pretty tense in Ruili over the past couple of days, with joint task forces running sweeps through the streets and rental buildings one after another. The main targets are folks from Myanmar—officials are checking how they crossed over, what kind of documents they’re holding, where they're staying, and whether they've got proper paperwork for work.

Given how close the border is, a lot of people cross over using border resident passes, commonly known as "blue cards." Local authorities are reminding everyone that these passes are only good for short stays and cannot be used to look for jobs. If you want to stay long-term or work, you need to apply for the proper residence and work permits. Anyone coming from out of town has to register their accommodation by the book, and landlords and bosses have been warned not to take in or hire anyone with incomplete paperwork.

Anyone caught with expired documents or missing registration is being told to get their paperwork sorted out ASAP. But if people are found to be illegal crossers, overstayers, or working under the table, they'll face legal penalties—and likely get sent back across the border to Myanmar. Authorities say the main goal of this crackdown is to stamp out illegal crossings and unauthorized labor, while making sure landlords and local businesses toe the line and remember that crossing over to work has to be done strictly by the book.