The House Appropriations Financial Services Subcommittee may try to kill the private debt collection program by shutting off its funding. Here's the story: The IRS' use of private debt collectors has retrieved millions in delinquent taxes but has raised questions about collection techniques and privacy rights. The House plans a vote this week on restricting the program's funds. Democrats critical of the program since it was approved by a GOP Congress in 2004 included only $1 million for private debt collection in the 2008 budget for Treasury Department agencies.