There is no single label among Taiwan, Chinese Taipei, and Republic of China that the cited UN guidance treats as a universal substitute for the others. For UN statistical classification, code 158 may be used for Taiwan, strictly for statistical purposes. Neither cited source establishes a universal rule for selecting Chinese Taipei or Republic of China on a particular official or travel document.
What UN M49 establishes
The United Nations Statistics Division states that M49 numerical codes represent statistical geographic identities. Within that statistical function, code 158 can be used for Taiwan.
This is not a general naming rule for travel documents, official forms, or other administrative records. It supports a statistical classification rather than determining how every document must identify a place.
What the guidance does not establish
The cited sources do not provide a document-by-document mapping between Taiwan, Chinese Taipei, and Republic of China. They therefore do not support treating those names as interchangeable or choosing one automatically for a particular application.
The United Nations Editorial Manual also cautions that document designations do not imply an opinion on a territory’s legal status. Accordingly, the appearance of a particular name on a document should not, by itself, be treated as resolving the underlying legal-status question.
Which label applies where?
Readers should distinguish the context:
- For UN statistical classification: Taiwan may be associated with code 158, subject to the stated statistical limitation.
- For a specific official or travel document: Check the exact wording on the document itself.
- For an application or form: Check the current instructions issued by the body requesting the information rather than substituting another name from general knowledge.
- For a legal-status question: Do not rely on M49 or a document designation alone; the cited material is not intended to answer that question.