1. The home Member State shall ensure that institutions operating occupational pension schemes establish at all times in respect of the total range of their pension schemes an adequate amount of liabilities corresponding to the financial commitments which arise out of their portfolio of existing pension contracts.
2. The home Member State shall ensure that institutions operating occupational pension schemes, where they provide cover against biometric risks and/or guarantee either an investment performance or a given level of benefits, establish sufficient technical provisions in respect of the total range of these schemes.
3. The calculation of technical provisions shall take place every year. However, the home Member State may allow a calculation once every three years if the institution provides members and/or the competent authorities with a certification or a report of adjustments for the intervening years. The certification or the report shall reflect the adjusted development