A video of the incident was recorded by a tourist on the bus and shared on Monday (Oct 13) on a Facebook page posting news about Thai tourism, reports the Bangkok Post.
It showed a man believed to be a Chinese guide addressing the tour group in standard Chinese. Translated, he said they would be stopping at a tax-free shop, and people who failed to buy anything there would not be allowed back on the bus.
When some tourists expressed their disagreement, he warned them about not being able to return to China.
The clip was widely shared, drawing many responses, including from registered Thai guides, asking authorities to investigate the incident and the apparently illegal tour guide.
Yesterday, Tourism and Sports Minister Atthakorn Sirilathayakorn said he was aware of the report and it was being taken seriously. The department of tourism had been instructed to work with tourist police and find out where and when it occurred, and the tour company involved, Mr Attakorn said.
“Thailand is entering the high season, so it’s important to build confidence among tourists, in all aspects,” Mr Atthakorn said. If the investigation confirmed any wrongdoing, strict legal action would be taken to protect tourists’ rights and uphold the credibility of Thailand’s tourism industry.
Officials said the tour company and guide could be in breach of the Tourism Business and Tour Guide Act.
An illegal guide could face up to a year in prison and/or fine of B100,000. The tour company may be guilty of unfairly exploiting tourists, incurring a fine of up to B50,000 and possible suspension of its licence for up to six months.


