14 C.F.R. § 194.219
(a) General applicability. An applicant for a commercial pilot certificate with a powered-lift category rating who is an instructor pilot for the manufacturer of an experimental powered-lift may satisfy the alternate aeronautical experience and logging requirements set forth in paragraphs (b) and (c) of this section, provided—
(b) Alternate aeronautical experience requirements. Notwithstanding the eligibility requirement specified in § 61.123(f) of this chapter, an instructor pilot may meet the requirements in paragraphs (b)(1) through (4) of this section in lieu of the aeronautical experience requirements of § 61.129(e)(3) and (4) of this chapter.
(1) An instructor pilot may meet the requirements of paragraphs (b)(1)(i) and (ii) of this section in lieu of the 20 hours of training with an authorized instructor required by § 61.129(e)(3) of this chapter.
(3) An instructor pilot may satisfy the aeronautical experience requirement in § 61.129(e)(4) of this chapter by logging at least 10 hours of solo flight time under an endorsement from another instructor pilot or performing the duties of pilot-in-command in an experimental powered-lift with one of the following individuals onboard (which may be credited towards the flight time requirement in §§ 61.129(e)(2), and (e)(2)(ii) of this chapter and 194.216(a))—
(c) Alternate logging requirement. Notwithstanding the logging requirements in § 61.51(e)(3) of this chapter, an applicant for a commercial pilot certificate with a powered-lift category rating may log pilot-in-command flight time for the purpose of satisfying the aeronautical experience requirements in §§ 61.129(e)(2)(ii) of this chapter and 194.216(a) for flights when the pilot is serving as an instructor pilot for the manufacturer of an experimental powered-lift for which the pilot is not rated, provided—