Letter designation B is used for which type of contract instrument?

The correct answer, regarding the use of letter designation B, pertains specifically to Invitation for Bids. The letter designation B is commonly used within various procurement systems to identify invitations for bids or similar solicitations. This is in line with standardized contracting practices where letters and numbers can signal specific types of documents or contracts within federal and government contracting environments.

Understanding that Invitation for Bids requires a structured format where contractors submit sealed bids for a project or requirement is crucial. The format calls for clarity and adherence to specific guidelines, making the distinction important for both the contracting authorities and the contractors.

While other options also relate to contracting instruments, they do not share the same direct association with the letter designation B as Invitation for Bids does. For instance, blanket purchase agreements and indefinite-delivery contracts have different letter designations and implications within the procurement process. By adhering to this classification, procurement officials can maintain organized records and ensure that relevant parties are clear on the type of solicitation being issued.