IAS 37 Provisions, Contingent Liabilities and Contingent Assets (paras. 257-262)
257 An entity shall disclose, for each class of provision (comparative information is not required):
(a) the carrying amount at the beginning and end of the reporting period;
(b) additional provisions made in the period, including increases to existing provisions;
(c) amounts used (incurred and charged against the provision) during the period;
(d) unused amounts reversed during the period; and
(e) the increase during the period in the discounted amount arising from the passage of time and the effect of any change in the discount rate.
258 An entity shall also disclose, for each class of provision (comparative information is not required):
(a) a brief description of the nature of the obligation and the expected timing of any resulting outflows of economic benefits.
(b) an indication of the uncertainties about the amount or timing of those outflows. Where necessary to provide adequate information, an entity shall disclose the major assumptions made concerning future events, as addressed in paragraph 48 of IAS 37.
(c) the amount of any expected reimbursement, stating the amount of any asset that has been recognised for that expected reimbursement.