Poppy from season one of The Bachelor NZ would have to be careful when visiting Hokkaido.

A Japanese tourism board has published an etiquette guide requesting visitors refrain from public "belching or flatulence".

The Hokkaido Tourism Organisation, representing Japan's northernmost island, has a downloadable brochure on its website which covers everything from public bathing to using a Japanese toilet. An entire section is dedicated to the art of avoiding bodily functions.

"Japanese etiquette is based on avoiding causing discomfort or nuisance to others," the guide states.

Hokkaido Tourism Organisation Avoid all bodily functions, the Hokkaido Tourism Organisation advises.

"Accordingly, Japanese will avoid bodily functions such as belching or flatulence in public entirely, or perform bodily functions as discreetly as possible.

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Hokkaido Tourism Organisation Ensure to pursue cleanliness before visiting Japan.

"Of course, these functions are a necessary part of human life, but please be modest and discreet when visiting Japan."

According to The Japan Times, the illustrated booklet was first published in August and was targeted solely at Chinese tourists. However, it attracted criticism for being one-sided and patronising, with examples of bad behaviour crossed out with big "X" marks.

The updated version is available in both Chinese and English, and replaces the "X" marks with detailed explanations in more positive language of what is and is not considered acceptable in Japan.

The Japan Times reported 85,000 copies of the brochure have been printed in Chinese and English each, and they are being distributed among accommodation providers and tourist attractions across the prefecture.