Which part of FAR addresses contractor qualifications?

The correct answer is Part 9 of the Federal Acquisition Regulation (FAR), which specifically addresses contractor qualifications and the criteria for determining whether a contractor is responsible. Part 9 outlines the necessary standards that contractors must meet to ensure they can perform the required tasks and fulfill contractual obligations effectively. This includes considerations such as the contractor's financial capacity, integrity, experience, and past performance.

Part 9 establishes guidelines for agencies when assessing contractor qualifications, ensuring that only those vendors who can uphold the necessary standards are awarded contracts. It also addresses issues related to debarment and suspension, further reinforcing the need for agencies to conduct proper due diligence before entering into contracts.

In contrast, other parts mentioned focus on different aspects of procurement. For example, Part 15 deals with contract negotiation and discussions, Part 6 focuses on competition requirements, and Part 8 addresses required sources of supplies and services. Each of these parts serves a distinct purpose that does not specifically center around contractor qualifications as Part 9 does.