A new rule requiring all delivered takeout orders in Guangdong Province to be properly sealed took effect Monday, the provincial legislature said. Customers may refuse to accept an order if its seal is broken or appears to have been tampered with. If a merchant fails to properly address the issue, consumers may file a complaint with market regulators by calling the 12345 government service hotline or the 12315 consumer complaint hotline. Previously, some food vendors used little more than tape or staples to secure takeout orders