77. The member contribution is the contribution that an active member is required to pay or the amount he elects to pay with a concurrent contribution by the employer.
The employer contribution is the contribution that the employer is required to pay.
An additional voluntary contribution is a sum that a member contributes and that is not used to finance the benefits provided for under the pension plan.
Additional voluntary contributions are, until retirement, credited to an account from which all other types of contributions are excluded.