Sacramental wine

In Paul Turner's Blog by Paul Turner

Q:  I know that in the past only sacramental wine from church-approved sources with no additives, tannins was allowed for Mass wine, and the percentage of alcohol was also listed in the requirements. It appears that now ‘just’ wine is allowed. I assume other than grape wine there are now no restrictions as to approved sellers and/or alcohol percentages. is that correct?

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A:  For mass we must use grape wine with no additives. Any wine from any seller who meets that restriction is acceptable.

Some dioceses have established regional requirements, but I have seen no universal legislation pertaining to alcoholic percentages.