Periodic surveys to renew the load line assignment for a MODU must be made at intervals not exceeding __________.

Correct Answer: Option D — 5 years

Under the International Convention on Load Lines and 46 CFR, the Load Line Certificate for a MODU is valid for a maximum period of five years. Periodic surveys are required to verify that the vessel's structure and equipment remain in compliance with the conditions under which the certificate was issued.