Final answer:
The term for the document issued to private limited liability companies to authorize the full commencement of business operations is the Certificate of Incorporation.
Step-by-step explanation:
The term for the document issued to private limited liability companies to authorize the full commencement of business operations is the Certificate of Incorporation. This document serves as proof that the company has been officially registered and incorporated with the government. It includes important details such as the company's name, address, purpose, and ownership structure.