Transmission system operators shall offer yearly, quarterly, monthly, daily and within-day standard capacity products.

Yearly standard capacity products shall be the capacity which may be applied for, in a given amount, by a network user for all gas days in a particular gas year (starting on 1 October).

Quarterly standard capacity products shall be the capacity which may be applied for, in a given amount, by a network user for all gas days in a particular quarter (starting on 1 October, 1 January, 1 April or 1 July respectively).

Monthly standard capacity products shall be the capacity which may be applied for, in a given amount, by a network user for all gas days in a particular calendar month (starting on the first day of each month).

Daily standard capacity products shall be the capacity which may be applied for, in a given amount, by a network user for a single gas day.

Within-day standard capacity products shall be the capacity which may be applied for, in a given amount, by a network user from a start time within a particular gas day until the end of the same gas day.