2005 Commercial Driver’s License Manual Cargo should have at least one tie-down for each ten feet of cargo. Make sure you have enough tie- downs to meet this need. No matter how small the cargo, it should have at least two tie-downs. There are special requirements for securing various heavy pieces of metal. Find out what they are if you are to carry such loads. 3.3.3 – Header Boards Front-end header boards (headache racks) protect you from your cargo in case of a crash or emergency stop. Make sure the front-end structure is in good condition. The front-end structure should block the forward movement of any cargo you carry. 3.3.4 – Covering Cargo There are two basic reasons for covering cargo To protect people from spilled cargo. To protect the cargo from weather. Spill protection is a safety requirement in many states. Be familiar with the laws in the states you drive in. You should look at your cargo covers in the mirrors from time to time while driving. A flapping cover can tear loose, uncovering the cargo, and possibly block your view or someone else's.