The regulator said in a report last August that the price of the products the door-to-door traders sold were usually substantially higher than the cash price at a mainstream retailer.
Appliance City was not one of the 32 traders the commission visited for its report.
The commission said mobile traders tended to target lower socio-economic areas and often offered lower-quality goods than mainstream outlets.
Some customers were attracted to mobile traders because they could not obtain credit from a bricks-and-mortar store, and could pay $10 or $20 a week to the truck shops.
We considered that 31 of the 32 mobile traders visited did not, to varying extents, comply with all their obligations under these Acts.
The regulator visited 32 traders and said its inquiries showed that compliance with the Fair Trading Act and Credit Contracts and Consumer Finance Act was "inadequate across the industry".
"We considered that 31 of the 32 mobile traders visited did not, to varying extents, comply with all of their obligations under these Acts," the commission's August report said.
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