(a) No vessel, other than a pleasure craft 300 gross registered tonnage or less, shall transit until an application for preclearance has been made, pursuant to § 401.24 , to the Manager by the vessel's representative and the application has been approved by the Corporation or the Manager pursuant to § 401.25 .(b) No vessel shall transit while its preclearance is suspended or has terminated by reason of: (1) The expiration of the representative's guarantee of toll payment,(2) A change of representative of the vessel,(3) A material alteration in the physical characteristics of the vessel, until another application for preclearance has been made and approved, or(4) Past due invoices by the representative as set out in § 401.75 .(c) Unless otherwise permitted by an officer a non-commercial vessel of 300 gross registered tonnage or less cannot apply for preclearance status and must transit as a pleasure craft.39 FR 10900, Mar. 22, 1974, as amended at 47 FR 51122, Nov. 12, 1982; 55 FR 48598, Nov. 21, 1990; 65 FR 52914, 52915, Aug. 31, 2000; 66 FR 15329, Mar. 16, 2001; 70 FR 12972, Mar. 17, 2005; 72 FR 2620, Jan. 22, 2007; 79 FR 12660, Mar. 6, 2014 68 Stat. 93-96, 33 U.S.C. 981-990 , as amended and secs. 4 , 5 , 6 , 7 , 8 , 12 and 13 of sec. 2 of Pub. L. 95-474 , 92 Stat. 1471