Taipei, July 9 -- A total of 1,668 Chinese immigrants in Taiwan failed to submit proof of renouncing their Chinese household registration by the deadline, prompting possible changes to their legal status, Taipei Times reported.

The National Immigration Agency (NIA) stated that those who fail to provide documentation risk having their status downgraded from "registered permanent resident" to "resident" if it is later confirmed that they still maintain household registration in China.

According to Taipei Times, the agency had previously issued notifications to Chinese immigrants residing in Taiwan, instructing them to provide proof of deregistration in China before last Monday. However, authorities were unable to reach or obtain complianc...