The Broadcasting Standards Authority says the current laws it operates under are obsolete.
A Parliamentary paper on the BSA's annual review notes the watchdog's definition of a broadcaster is 35 years old.
The authority says it's been asking for legislation reform for about 15 years, as media companies produce more online content.
BSA Chief Executive Stacey Wood told Mike Hosking the jurisdiction framework is not clear.
She says it doesn't have the resources to regulate every audio-visual programme transmitted to the public, as it is defined in the Act.
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