Article 22
An alien, the residency for whom is granted based on the investment in Taiwan, the employment in Taiwan pursuant to subparagraphs 1 to 7 of paragraph 1 of Article 46 or subparagraph 1 and subparagraph 3  of Paragraph 1 of Article 48 of the Employment Services Act or the proviso of paragraph 1 of Article 5 and paragraph 1 of Article 6 of Act for the Recruitment and Employment of Foreign Professionals, or the special approval by the Ministry of the Foreign Affairs under special circumstances, may submitted a written explanation to extend the length of stay from the National Immigration Agency prior to the expiration of the residency. Foreign special professional’s spouse and minor children, and children over twenty years old who are unable to live independently due to physical or mental disability can also apply through the same process after verified for residency. Upon approval, the effective period of  his/her ARC shall be extended to 6 months from the next day of the date of the expiration of the time limit for the original residence. Before the extended period expires, if necessary, the alien can re-apply one time for further extension. The total extended period of residency is one year at most.

Article 22-1
An alien entering Taiwan for studying, if necessary, should submit the reasons in writing to apply to the National Immigration Agency for an extension of his/her ARC before expiration.
The valid time period of the ARC in accordance with the extension rules set forth in the preceding paragraph is 6 months following the expiration of his/her ARC. Before the extended period expires, if necessary, the alien can re-apply one time for further extension. The total extended period of residency is one year at most.