What sort of restriction is this?
What is our applicable treaty provision?
Is this a distinctly or indistinctly applicable measure?
Does the measure fall within the scope of Art. 34 TFEU? Or is this purely a restriction on the manner in which goods are sold?
Can the measure be defended under Art. 36 TFEU?
If an indistinctly applicable measure, can it be justified as a mandatory requirement in the public interest?
Is the measure proportionate? Explain your test of proportionality and apply.
Remember to use authority throughout.
