They say that more landlords are "forgetting" to tell tenants about tax reductions they have received.
The ownership group, led by Disque Dean, has told tenants that nothing will change immediately.
Private landlords had to tell existing and new tenants about the availability of rent allowances.
The sponsor first told tenants that there would be no conversion unless at least 10 tenants committed to buy their apartments.
"That tax is a tax on the American dream," he told tenants a St. Louis housing project.
Landlords are getting smarter and telling tenants not to let inspectors in.
"He and his colleague, the majority leader, came out in December telling tenants he was going to end the rent laws."
The building management has told tenants not to expect to return until September.
The super, who later quit, had been telling tenants there was simply no water pressure in some apartments and nothing could be done.
Then the Gladstones told tenants to ignore the lenders.