Protecting Small Business Contracting Opportunities Act of 2020 This bill exempts certain contracts awarded to small businesses from the procedural requirements of any federal rule or guidance on category management or contract consolidation and limits the inclusion of such contracts when measuring the attainment of any federal goal or benchmark for category management or contract consolidation. Such contracts are government contracts awarded pursuant to Small Business Administration programs that facilitate contracting with small businesses owned by socially and economically disadvantaged individuals or entities, women, or veterans, or are located in historicaly underutilized business zones.