37 CFR §2.51

1. (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.
2. (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.
3. (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.
4. (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.