To apply for extension of a stay, a foreigner shall apply to the exit and entry departments of public security organs 7 days prior to the expiration date of the stay specified in the visa, and submit relevant supporting materials as required:

a. Holder of C visa shall submit a letter of certificate issued by the competent departments of the people's government at or above the county level or the local civil aviation, railway, road and port transportation companies. The stay may be extended for no more than 30 days.

b. Holder of F visa shall submit a letter of certificate issued by the inviting and receiving entities. The entities that have not filed for records shall also submit the registration certificate. The stay may be extended for no more than 180 days.

c. Holder of G visa shall submit a letter of certificate issued by the receiving entity and a connecting ticket (flight, bus or ship) to the destination country (region) with confirmed seat and date. The stay may be extended for no more than 30 days.

d. The holder of J2 visa shall submit a letter of certificate issued by the foreign affairs departments of the people's government at the provincial level. The stay may be extended for no more than 30 days.

e. Holder of L visa shall submit a travel plan and itinerary, and for a group tour, also a letter of certificate issued by the travel agency. The stay may be extended for no more 30 days.

f. Holder of M visa shall submit a letter of certificate issued by the local inviting and receiving entities or individuals, and the entities that have not filed the record shall also submit the registration certificate. The inviting individual shall put signature in the letter and submit local household registration or a certificate of the actual residence. The stay may be extended for no more than 180 days.

g. Holder of Q2 visa shall submit an invitation letter provided by the individuals to be visited, the identity certificate, and proof of family relationship. The stay may be extended for no more than 180 days.

h. Holder of R visa shall submit a certificate letter issued by the inviting and receiving entities, and the entities that have not filed for records shall also submit the registration certificate. The stay may be extended for no more than 180 days.

i. For the S2 visa holders, the visiting personnel shall submit an invitation letter provided by the individuals to be visited, a foreigner residence permit and proof of family relationship. Foreigners visiting for other purposes shall submit certificates stating the nature of the private affairs or humanitarian causes. The duration of stay may be extended to no more than 180 days for those visiting relatives, and no more than 90 days for those visiting for other purposes.

j. Holder of X2 visa shall submit a current study certificate issued by an education or training institution within the territory of China. The stay may be extended for no more than 180 days.

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