One-half month salary is equivalent to 15 days of compensation.

In a defined contribution plan, the amounts to be paid to retirees shall be at least equal to the amount of the pre-determined level of benefits.

The actuarial risk and investment risk are both shouldered by the employer entity in a defined benefit plan.

Defined benefit plan is more common than defined contribution plan.

In a defined contribution plan, if the amount paid is lower than the required contributions, the employer entity shall recognize a prepaid asset.

The total retirement cost in a defined benefit plan is equal to the amount of actual contributions to the plan asset.

Service costs have an increasing effect to the balance of the defined benefit obligation.

The defined benefit obligation shall be based on the future amounts of employees' salaries.

Actuarial gains have increasing effect to the balance of the defined benefit obligation.

Interest expense shall be determined based on the discount rate determined as of the end of the previous period.

Actuarial assumptions shall be both unbiased and mutually incompatible.

The present value of settled retirement benefit shall be deducted from the balance of plan assets, while the settlement price shall be deducted from the balance of defined benefit obligation.

There is a remeasurement gain from plan assets if the amount of actual return is higher than the amount of interest income.

Contributions to the plan assets shall be recognized as part of total retirement cost.