An Invitation for Bid (IFB) is a procurement method used when requirements are clearly defined and price is the main selection criterion. It typically requires bidders to submit pricing in a specific format so that proposals can be directly compared.
A, B, and C relate more to Requests for Proposals (RFPs), where qualitative evaluation (e.g., technical capability) plays a bigger role.
[References:, PSP Study Guide – Procurement Methods and Bid Documentation, POA Manual – IFB vs. RFP in Security Contracting]
Submit