(b) * * *
(1) Before publication for opposition, an applicant may add or substitute a basis, if the applicant meets all requirements for the new basis, as stated in Sec. 2.34, Sec. 2.44, or Sec. 2.45. The applicant may delete a basis at any time.
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(6) When the applicant adds or substitutes a basis, the applicant must list each basis and specify the goods, services, or collective membership organization to which that basis applies.
(7) When the applicant deletes a basis, the applicant must also delete any goods, services, or collective membership organization covered solely by the deleted basis.
(8) Once an applicant claims a section 1(b) basis as to any or all of the goods or services, or a collective membership organization, the applicant may not amend the application to seek registration under section 1(a) of the Act for identical goods or services or the same collective membership organization, unless the applicant files an allegation of use under section 1(c) or section 1(d) of the Act.