Section 44.01-15 - Special service certificate(a) The use of the special service load line certificate issued under this part is limited to voyages only as described in the certificate. If the vessel engages on any voyage not contemplated by the certificate where a load line is required, the load line prescribed by part 42 of this subchapter shall govern.(b) Vessels engaged on special services in the coastwise trade and the interisland trade will be certificated on the form shown in § 44.05-35 .CGFR 65-50, 30 FR 16755, Dec. 30, 1965, as amended by CGFR 68-60, 33 FR 10076, July 12, 1968