What forms of checks are undertaken to verify signatures?

Referendum Act (amended date: 2018/01/03)

Article 13. After receiving the list of joint signers, if it is found on examination that the number of joint signers is less than that prescribed in Paragraph One of the preceding Paragraph, or the number of joint signers is inadequate after the joint signers without signature or seal are deleted, or the list is not in the format specified in Paragraph Three of the preceding Paragraph, the competent authority shall notify the leading proposer to supplement more proposers within 30 days; in case the specified number is still not reached after supplementation or the leading proposer does not supplement, the proposal shall be rejected; if it meets the relevant provisions, the competent authority shall request the government agencies of household registration to check it within 30 days.

The government agencies of household registration shall check the list of joint signers according to the household registration data, and a joint signer shall be deleted under any of the following circumstances:

1. Where the joint signer does not meet the qualification requirement set forth in Paragraph One of Article 8.

2. Where the name, ID card number or address of the joint signer is recorded wrongly or unclearly.

3. Where the list of the joint signers lacks the signature or seal of the joint signer.

4. Where the joint signer’s name is forged. […]

Civil Servants Election And Recall Act (amended date: 2018/05/09)

Article 83. After receiving the list of joint signers, the election commission shall check the list of joint signers within 40 days for recall of a member of the Legislative Yuan, municipal councilor, municipal mayor, or the governor of a county (city), 20 days for recall of a county (city) councilor, the chief of a township (city) or the chief of an indigenous district, and 15 days for recall of a representative of a township (city) congress, a representative of an indigenous district congress, or the chief of a village (borough) and delete any signer who meets any of the following circumstances. However, if the list of joint signers fails to reach the number of joint signers prescribed in Paragraph 1 of Article 81, the election commission shall directly announce that the proposal of recall is not established:

1. The joint signer does not meet the provision of Paragraph 1 of Article 81.

2. The joint signers conform to the circumstances prescribed in Paragraph 3 of Article 81.

3. Where the name, ID card number or address of the joint signer is recorded wrongly or unclearly.

4. The list of joint signers is not signed or stamped by joint singers.

5. The signature of the joint signer is forged. […]

The regulations governing the inspection procedures of the list of proposers and the list of joint signers for recall shall be formulated by Central Election Commission.