By now, our frequent readers are familiar with GAO’s mantra that it is an offeror’s responsibility to submit a well-written proposal that complies with the solicitation’s requirements and risks being found unacceptable if it fails to do so.

That rule serves its purpose: it helps maintain an organized bidding process, under which the agency can evaluate proposals on an even footing. But it can also lead to harsh results, like it did in a recent protest challenging a proposal’s unacceptability due to its non-compliant table of contents.

Let’s take a look.