14 CFR §194.207

1. (a)Required equipment for the practical test. Notwithstanding the equipment requirement in § 61.45(b)(1)(ii) of this chapter and the limitation specified in § 61.45(b)(2) of this chapter, an applicant for a certificate or rating may use a powered-lift that is precluded from performing all of the tasks required for the practical test without receiving a limitation on the applicant's certificate or rating, as appropriate.
2. (b)Waiver authority for a practical test conducted in a powered-lift. An Examiner who conducts a practical test in a powered-lift may waive any task for which the FAA has provided waiver authority.
3. (c)Flight training on waived tasks. Notwithstanding the requirements in §§ 61.107(a) and 61.127(a) of this chapter for training to include the areas of operation listed in § 61.107(b)(5) or § 61.127(b)(5) of this chapter, as applicable, an applicant seeking a private pilot certificate or commercial pilot certificate with a powered-lift category rating concurrently with a powered-lift type rating is not required to receive and log flight training on a task specified in an area of operation if the powered-lift is not capable of performing the task, provided the FAA has issued waiver authority for that task in accordance with paragraph (b) of this section.