Short Sales are the 'Wild, Wild, West of Real Estate where there appears an illusion of rules but anything can and does happen.
The intent of a short sale to to provide relief to homeowner who are suffering financial hardship.
In most cases, it is prudent for the home owner to establish documented hardship.
However, I have seen investors (owners with multiple homes) succeed with a short sale.
I have seen owners successfully complete a short sale with only a projected hardship.
I have seen owners successfully complete a short sale with no hardship, not late payments.
The lender or investor involved can do what ever they please. The guidelines suggest a hardship should be documented.
I is crucial you start the process correctly. If you don't the outcome can prove costly.
Contact a DC Realtor and discuss your options.