Shipboard Oil Pollution Emergency Plans must be reviewed __________.

Correct Answer: Option B — annually by the owner, with a letter submitted to the Coast Guard within one month of the anniversary date of the plan approval

MARPOL Annex I and 33 CFR Part 151 require Shipboard Oil Pollution Emergency Plans (SOPEP) to be maintained and updated. Owners must review the plan annually to ensure contact information and procedures are current, submitting a letter to the Coast Guard within one month of the anniversary date of approval.