Under a ruling by a federal appeals court in March, the rules will expire next week.
Those rules expired in the last few years, and Congress has not renewed them.
But the transitional rule allowing parole expires next October.
The rule expires at the end of the 2009 season, and must be renewed then or allowed to lapse.
Scientists will assess the rule's effectiveness before the rule expires in 2013.
Without legislative action, the rules, which set ceilings on rent increases and protect tenants in other ways, would have expired this weekend.
The rule became active last March and expires in September 2004.
Congress broke those rules to pass the unpaid-for Bush tax cuts of 2001 and then let the rules expire in 2003.
The rules would expire if the city's apartment vacancy rate rose above 5 percent.
But, as I have just indicated to the House, the rules currently governing the structural funds will expire at the end of 1999.