A designation may be canceled or changed only by a new designation except that, where a carrier or broker ceases to be subject to �6.4 in whole or in part for 1 year, designation is no longer required and may be canceled without making another designation.

[55 FR 11197, Mar. 27, 1990. Redesignated at 61 FR 54707, Oct. 21, 1996; 62 FR 49940, Sept. 24, 1997]