For Staying in China Not Exceeding 180 Days

----Article 29, The Exit and Entry Administration Law of the People’s Republic of China

"Where the duration of stay specified in a visa held by a foreigner does not exceed 180 days, the holder may stay in China within the duration specified therein.

Where the duration of stay needs to be extended, the visa holder shall file an application with the exit/entry administration of public security organ under the local people’s government at or above the county level in the place of his stay seven days prior to the expiry of the duration specified in the visa, and shall submit information of specific application matters in accordance with relevant requirements. If upon examination, the reasons for extension are appropriate and sufficient, such extension shall be granted; if an extension is denied, the foreigner shall leave China on the expiry of the duration.

The accumulated length of extension shall not exceed the original duration of stay specified in the visa.