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I think you both have sufficient grounds to request refund from HiSpec, sounds like they have fallen a long way short of the following:
https://www.gov.uk/cma-cases/shop4tek-n ... de-refundsFailure to supply goods in accordance with Regulation 19(1) of the Distance Selling Regulations 2000 (the 'DSRs'), which state that, in the absence of an agreement to the contrary, a distance contract shall be performed within 30 days beginning with the day after the day the consumer submits an order
Failure to comply with consumers' requests to cancel the contracts, following cancellation in accordance with Regulation 10 of the DSRs
Engaging in misleading actions in respect of the availability of the product to be purchased and also the delivery of the product in accordance with advertised delivery timescales, contrary to Regulation 3(4)(a) of the Consumer Protection from Unfair Trading Regulations 2008.
Got to be worth a go hasn't it? If not, the wait and see policy is a bit high risk isn't it? Especially with all the design unknowns post mishaps with cad data etc, may not even be safe, will they carry any approvals, or motorsport only use? Professionally, the way I have to sign my life away at work for highly skilled operators of equipment, and in the case of safety guilty until proven innocent... I think I would rather causcious... I would certainly be asking if they will come with approvals.. just a thought..
Martin