What is the process and required documents for registering a baby as a Thai citizen if one parent is Thai?

To register a baby as a Thai citizen when one parent is Thai, the essential document required is the birth certificate. The registration can be carried out at the Thai Embassy in your country or in Thailand, and it can be done at any age. It's important to check the embassy's website for specific requirements and procedures. If the father has a Thai passport, and you are married, the process is generally straightforward, often initiated by the hospital. However, if there are complexities regarding marital status or passport ownership, it may require additional documentation.