After months of careful planning and discussions with subject matter experts (SMEs).

When a new law is announced that may significantly impact the project budget, the project manager should:

Consult the risk and issue logs (A): The risk and issue logs contain information about potential risks and issues that could impact the project1. The project manager should consult these logs to understand if this new law was anticipated and what mitigation strategies were planned1.

Discuss with the project sponsor (D): The project sponsor is typically a key stakeholder who has the authority to make decisions about the project1. The project manager should discuss the impact of the new law with the project sponsor to determine the best course of action1.