Colin, thank you for your practical suggestion.
I think (hope) there is a fundamental difference between passive losses and the NOL. The NOL does not exist without a return reporting (creating) it. In contrast, passive losses were actually reported by an entity which files K-1s. The K-1s in question were reported timely on the partnership return and could be tracked by the taxpayer, even though hid individual returns were filed.
There is most definitely no requirement to file a return just by virtue of getting a K-1 with a loss. Let’s say a taxpayer has a capital loss carryover generated in 2011. If this taxpayer has no filing requirement in 2012, and does not file a return in 2012, he still can enter an amount from his Capital Loss Carryover Worksheet on 2013 Schedule D. The filing of 2011 tax return with a loss in excess of $3,000 on schedule D should establish the carryover amount.
Similarly, the entity filed timely returns with all K-1s throughout the years, and my firm obtained a K-1 for each year.