83.—(1) Life-cycle costing shall, to the extent relevant, cover part or all of the following costs over the life cycle of a product, service or works—
(a)costs, borne by the utility or other users, such as—
(i)costs relating to acquisition;
(ii)costs of use, such as consumption of energy and other resources;
(iii)maintenance costs;
(iv)end of life costs, such as collection and recycling costs;
(b)costs imputed to environmental externalities linked to the product, service or works during its life cycle, provided their monetary value can be determined and verified.
(2) The costs mentioned in paragraph (1)(b) may include the cost of emissions of greenhouse gases and of other pollutant emissions and other climate change mitigation costs.
(3) The method used for the assessment of costs imputed to environmental externalities shall fulfil all of the following conditions—
(a)it is based on objectively verifiable and non-discriminatory criteria and, in particular, where it has not been established for repeated or continuous application, it shall not unduly favour or disadvantage certain economic operators;
(b)it is accessible to all interested parties;
(c)the data required can be provided with reasonable effort by normally diligent economic operators, including economic operators from third countries party to the GPA or other international agreements by which the EU is bound.
(4) Where utilities assess the costs using a life-cycle costing approach, they shall indicate in the procurement documents—
(a)the data to be provided by the tenderers; and
(b)the method which the utility will use to determine the life-cycle costs on the basis of those data.
(5) Whenever a common method for the calculation of life-cycle costs has been made mandatory by a legislative act of the EU, that common method shall be applied for the assessment of life-cycle costs.
(6) A list of such legislative acts, and where necessary the delegated acts supplementing them, is set out in Annex XV to the Utilities Contracts Directive as amended from time to time.