1) Based on min. 85 % Baga (written confirmation from producer must accompany the offer)
2) 100 % of the grapes must come from within DOC/DOP Bairrada (written confirmation from producer must accompany the offer)
3) Traditional method
4) Min. 9 months ageing on lees (written confirmation from producer must accompany the offer)
5) Max. 11,9 g/l sugar incl. dosage (certificate of analysis must accompany the offer)

6) The producer must be located within DOC/DOP Bairrada (written confirmation from producer must accompany the offer)
7) Only one offer per manufacturer. If more than one offer is submitted from the same manufacturer, only the lowest priced offer will be assessed for purchase, regardless of wholesaler
8) «Guarantee of supply» must accompany the offer