http://www.legislation.gov.uk/eur/2012/160/article/2Commission Implementing Regulation (EU) No 160/2012 of 23 February 2012 fixing for 2012 the amount of aid in advance for private storage of butterCommission Implementing Regulation (EU) No 160/2012Commission Implementing Regulation (EU) No 160/2012 of 23 February 2012 fixing for 2012 the amount of aid in advance for private storage of butter2020-12-11King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32012R0160texttext/xmlen2012-02-23
Article 2

The unit of measurement referred to in Article 16(2)(c) of Regulation (EC) No 826/2008 is the ‘storage lot’ which corresponds to the quantity of the product covered by this Regulation, weighing at least one tonne and of homogeneous composition and quality, produced in a single factory, taken into storage in a single warehouse on a single day.