The change of the Production Regulations took place in 2010, modifying the ampelographic base and bringing in a new variety, Muffa Nobile. DOC Orvieto wines must be made from the following varieties:

Trebbiano or Procanico and Grechetto: min. 60%.

Other varieties of similar colour suitable for growing in Umbria and the Province of Viterbo: max. 40%.

Orvieto and Orvieto Classico may be made in the following types: secco (dry), abboccato (sweetish), amabile (slightly sweet), sweet, superiore, late harvest and Muffa Nobile.

DOC wines called "Orvieto Rosso" or " Rosso Orvietano" must be made from the following varieties:

main varieties - Aleatico, Cabernet Franc, Cabernet Sauvignon, Canaiolo R., Ciliegiolo, Merlot, Montepulciano, Pinot Nero, Sangiovese alone or combined for at least 70% and with the possible addition of.

secondary varieties: Aleatico, Barbera. Cosanese comune, Colorino, Dolcetto alone or up to 30%.