"Cảnh báo các doanh nghiệp không còn hoạt động, chưa đóng mã số thuế" (Warning to businesses no longer operating, not yet closed tax IDs).

6-8 sentences. Neutral, informative, max 300 words.
* Sentence 1: Tax authorities in Ho Chi Minh City have issued a warning to hundreds of thousands of businesses, branches, and offices.
* Sentence 2: These entities are currently listed as no longer operating at their registered business addresses.
* Sentence 3: Many of these organizations have also stopped issuing invoices.