| According to 33CFR, regulations pertaining to entries made in the Oil Record Book, how often must the Oil Record Book be updated with entries? |
| A) Entries are to be made on a monthly basis if applicable operations are performed during the month. |
| B) Entries are to be made on a daily basis if applicable operations are performed during the day. |
| C) Entries are to be made on each occasion when an applicable operation is performed. |
| D) Entries are to be made on a weekly basis if applicable operations are performed during the week. |
