37 C.F.R. § 2.51

(a) In an application under section 1(a) of the Act, the drawing of the mark must be a substantially exact representation of the mark as used on or in connection with the goods and/or services.

(b) In an application under section 1(b) of the Act, the drawing of the mark must be a substantially exact representation of the mark as intended to be used on or in connection with the goods and/or services specified in the application, and once an amendment to allege use under § 2.76 or a statement of use under § 2.88 has been filed, the drawing of the mark must be a substantially exact representation of the mark as used on or in connection with the goods and/or services.

(c) In an application under section 44 of the Act, the drawing of the mark must be a substantially exact representation of the mark as it appears in the drawing in the registration certificate of a mark duly registered in the applicant's country of origin.

(d) In an application under section 66(a) of the Act, the drawing of the mark must be a substantially exact representation of the mark as it appears in the international registration.

[68 FR 55763, Sept. 26, 2003]