Singapore, known for micro-managing its wealthy population of 4.2 million people, frequently rolls out extensive national campaigns aimed at molding social behavior.

After exhorting citizens to smile more, flush toilets after use, be courteous on the road and to have more babies, Singapore is zeroing in on rude wedding guests in its latest bid to improve etiquette.

Infuriated by reports of weddings marred by tardy guests, the government-led Singapore Kindness Movement launched a “Punctuality Drive at Wedding Dinners” campaign for a second straight year, a spokeswoman for the group said on Friday.

About 800,000 “punctuality reminders” have been sent to hotels, which usually plan weddings in Singapore. These are passed to couples to include with invitations, and contain a gracious “thank you” for guests who turn up on time.

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