Regulations on Living Allowance for Mid or Low-income Senior Citizens Article 9

The competent authorities of municipalities and counties (cities) shall on an annual basis review the qualifications for the distribution of the allowance; and re-verify the applicants in case their qualifications change.
中文原文 中低收入老人生活津貼發給辦法第9條
直轄市、縣(市)主管機關每年應定期辦理發給資格重新調查;其資格有異動時,應重新核定。

English translation for reference only; the Chinese text prevails. Not legal advice.