Butter is defined as "a churned-cream dairy product consisting primarily of milk fat, water, non-fat milk material and if necessary, salt," in Ireland, as announced by Dr. Pat 'O Mahon, Ireland's food safety authority.

This definition originated from the use of the term  'Butter' in the Labelling and Advertising of Fat Spreads" from the Food Safety Authority of Ireland. The new definition comes in lieu with a new food law in effect, according to Food Safety News.

Authorities said the main purpose of the new definition is to not confuse consumers. According to authorities, they aim for consumers to know exactly what butter is when it is brought up.

The new definition came after news of fat spreads using butter inappropriately and misleading consumers.

A statement from Dr. 'O Mahon came as follows:

"Specific EU (European Union) legislation is in place that establishes a common organization of the markets in agricultural products.  A section of this legislation is dedicated to 'milk and milk products', whereby products like butter and other types of fat spread are clearly defined. The legal onus is on food businesses to ensure that they are compliant with all relevant legislation so that consumers can have trust in the product they are purchasing and make informed choices using reliable information. To assist food businesses, the FSAI has developed this guidance document which identifies the various pieces of legislation that must be considered when labelling and marketing fat spreads, particularly those that can use the term 'butter'".

The guidelines also announced tips fat spread makers should follow in labeling so as not to commit the same mistake again.

Dr. O' Mahon said:

"It is natural that marketing specialists will use every means at their disposal to gain a competitive edge over their rivals, but this must not be achieved at the expense of consumers' trust. We hope that our guidance document will assist the industry to comply with the complex legislation in this area, so that consumers can be confident that the foods they purchase and consume are accurately and truthfully described on the label or in associated advertising."