IAS 19
IAS19 or International Accounting Standard Nineteen is an accounting rule concerning employee benefits under the IFRS rules set by the International Accounting Standards Board. In this case, "employee benefits" includes wages and salaries as well as pensions, life insurance, and other perquisites.
The rules in IAS19 explains the accounting for longer term employee benefits and post employment plans such as defined benefit retirement plans. Accordingly, most of the standard is taken up with explaining the rules for long term employee benefits.
Read more about IAS 19: Defined Benefit Pension Plans As A Type of Post-employment Benefit Plan, Accounting For Defined Benefit Pension Plans in IAS 19