may face fines
of between £1,850 and £5,000 if the government decides to ban tobacco display units.
Ministers have mooted the idea of a ban as part of the
government's cancer prevention strategy , but the Association of Convenience Stores has calculated that such a measure will leave shop owners out of pocket.
"Changing tobacco displays will bring significant and damaging costs," said ACS chief executive James Lowman.
"We have still not seen the convincing evidence that a ban would have the desired effect on under-age smoking. If the costs are high and the benefits not clear, then the government should not press ahead."
The ACS has based its calculations on a similar ban in Canada, where it says the change in the law did not reduce teenage smoking.
Lowman added: "Rather than causing this level of disruption they could usefully target their attention on measures that will make a real difference."