Police hidden cameras investigating serious crimes will remain switched off for another 10 days at least while the Government's "fix-it" bill is scrutinised in a shortened select committee process.
But support for the Video Camera Surveillance (Temporary Measures) Bill beyond the first reading remains uncertain.
Meanwhile, the Government defended police use of hidden cameras amid suggestions that police knew what they were doing was illegal.
Prime Minister John Key said previous judgments had ruled that police planting hidden cameras on private property was legal.
"Those judgments from the Court of Appeal were very clear that video surveillance was admissible and we had no particular reason, as a result of those decisions, and the common law rulings in the last 15 years, to consider that to be anything other than a lawful position."