They might have violated Section 26 of the 2008 Alcoholic Beverages Control Act and face a jail term not more than one year or a fine not more than 100,000 baht, or both," he said.Members of the public who do so will face the same penalty, he said.If text is added, they might violate Section 32 and could be punished by imprisonment not more than one year or a fine not more than 500,000 baht, or both.Police have asked the CPB to give them more information for the prosecution, he said.CPB chief Ampon Wongsiri said in the next step it will be established whether the brand owner was involved. (Yesterday, the company vigorously denied it was behind the photos).Thai laws ban advertising alcoholic drinks with product pictures or logos aimed at attracting people to drink.Kittisak Klabdee, secretary to the Public Health Minister, on Friday said the ministry was collecting evidence and investigating the Chang Beer company's website and Instagram accounts as well as those of the celebrities.The move comes after the Network of Alcohol Marketing Strategy and the Youth Network on Friday gathered at the Health Ministry to submit a complaint letter and urged the ministry to take legal action against the beer company and celebrities.Dr Kittisak said the celebrities were likely to face punishment even though they denied being paid for the Instagram posts.The photos posted online clearly featured bottles of Chang beer and the logo with a message encouraging people to drink, he said.