Each hose clamp on a hose from the fuel tank to the fuel inlet connection on the engine, a hose between the fuel pump and the carburetor, or a vent line must:

1. (a) Be used with hose designed for clamps;
2. (b) [Reserved]
3. (c) Be beyond the bead, flare, or over the serrations of the mating spud, pipe, or hose fitting; and
4. (d) Not depend solely on the spring tension of the clamp for compressive force.

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 81-092, 48 FR 55737, Dec. 15, 1983]