What should I do if my Singapore passport is extended to China?

To apply for visa extension in China, a Singaporean passport shall fill in an application form, submit his passport or other international travel documents, photos that meet the requirements and relevant materials for application, and apply for visa extension to the exit-entry administration of the public security organ of the local people's government at or above the county level.

According to the Regulations on the Entry and Exit of Foreigners in People's Republic of China (PRC)

Chapter III Accommodation Management

Article 10

Foreigners who enter the country with visas can change their reasons for staying and facilitate their entry in accordance with state regulations, or if they need to stay in groups for objective reasons after entering the country with new passports or group visas, they can apply to the exit-entry administration of the public security organs of local people's governments at or above the county level for visa renewal.

Article 11 If a foreigner's visa in China is lost, damaged or robbed, he shall apply to the exit-entry administration of the public security organ of the local people's government at or above the county level for a replacement visa.

Article 12

Foreigners applying for visa extension, renewal, replacement and application for stay documents shall fill in the application form and submit their passports or other international travel documents, as well as photos that meet the requirements and relevant materials for application.

Article 13

If a foreigner's application for visa extension, renewal, replacement and application for stay documents meet the acceptance conditions, the exit-entry administration organ of the public security organ shall issue an acceptance receipt with a validity period of no more than 7 days, and make a decision on whether to issue it within the validity period of the acceptance receipt.

If the procedures or materials for foreigners to apply for visa extension, renewal, replacement and stay documents do not meet the requirements, the exit-entry administration department of the public security organ shall inform the applicant of the procedures to be performed and the application materials to be supplemented at one time.

The passport or other international travel documents held by the applicant can legally stay in China with the receipt of acceptance during the document preservation period.

Article 14

The decision made by the exit-entry administration of the public security organ to extend the visa stay period is only valid for this entry, and does not affect the entry times and validity period of the visa. The cumulative extended stay period shall not exceed the stay period indicated in the original visa.