There is no established certification body and the term has no legal status. Most definitions of natural wine include some or all of the following:
- Hand-picked, organically or biodynamically grown grapes.
- Low-yielding vineyards.
- No added sugars, no foreign yeasts.
- No fining or filtration.
- No adjustments for acidity.
- No other additives for mouth-feel, colour, etc.
- No micro-oxygenation or reverse osmosis.
- Little or no added sulphite.