Enables B2B buyer partners (like outlet managers managing multiple outlets) to place orders across multiple organizations using a single contact identity. This feature transitions B2B buyer identity from the traditional customer account of type person to a more flexible Contact-based model, allowing the same contact to be associated with multiple organizations account. It supports user management scenarios where a B2B buyer partner, a multi outlet manager, can seamlessly switch between outlets they manage. This capability is designed to support both B2B Standard and B2B Indirect models (i.e., selling through a network of distributors), ensuring consistent and efficient ordering experiences across diverse business structures.