The Unification Ministry has asked South Korean companies that trade with North Korea to put off paying for goods manufactured in the North.

Ministry spokesman Chun Hae-sung told reporters Monday that the ministry made the request in consideration of sanctions and the suspension of inter-Korean trade following the North’s sinking of the “Cheonan” naval ship.

South Korean companies operating at the Gaeseong Industrial Complex manufacture labor-intensive goods using North Korean manpower.

The South Korean government suspended inter-Korean trade except for production at the Gaeseong complex last month to punish the North after the Cheonan incident.