National Pension Act Article 44
Surviving family pension payment shall be suspended if surviving families qualify for one of the following during the receiving period.1. Spouse getting married again.2. Spouse less than 55 years old raising children not qualified for the application conditions stipulated in Article 40.3. Spouse, children, parents, grandparents, grandchildren, brothers, and sisters don’t qualify for the application conditions stipulated in Article 40.4. Serving sentences in prison, detained, or in custody because of criminal cases.5. Disappearance.