One product line in, the base price and the largest legal discount out - before a German trade association reads the page.
Required reference unit
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Required base price (Grundpreis)
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EUR
Figure for the other unit (not the legal one)
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EUR
Discount your banner claims
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%
Largest discount you may advertise
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%
Over-claim
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points
Saving you cannot prove, per month
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EUR
Rules failed (of 6)
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What a trade association would cite
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Rule 1 - reference unit Picks 100 g / 100 ml only where the nominal quantity is 250 or less, otherwise 1 kg / 1 l, as PAngV section 4 requires.
Rule 2 - base price value Prints the Grundpreis per that unit, VAT included, to two decimals, next to the figure shops print by mistake.
Rule 3 - base price displayed Flags a listing that shows a pack price with no base price at all, the single most abmahnt price-display defect.
Rule 4 - 30-day reference price Compares the struck-through price against your own lowest price of the last 30 days, which is the only lawful reference for a reduction.
Rule 5 - advertised percentage Returns the largest percentage you may advertise and how many points your banner overstates it.
Rule 6 - total price and shipping Flags a listing with no VAT-inclusive total price and shipping-cost notice, and totals the saving you cannot prove.