Overseas Compatriot Identity Certification Act Article 7

The competent authority may, depending on the special needs of the place of residence overseas, authorized the Embassies and Missions abroad to accept applications for the Overseas Compatriot Identity Certificate. The procedures for accepting applications and other matters to be followed shall be prescribed by the competent authority.
中文原文 華僑身分證明條例第7條
主管機關得視僑居地之特殊需要,委託駐外館處受理華僑身分證明書之申請;其受理之程序及其他應遵行事項之辦法,由主管機關定之。

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