Priority of right shall not be lost in case of any application filed which is in substantial but not full compliance, as specified in § 970.209, if the Administrator determines that the applicant, within 60 days after issuance to the applicant by the Administrator of written notice that the application is in substantial but not full compliance, has brought the application into full compliance with the requirements, as applicable, of §§ 970.201 through 970.208 or § 971.214(d) of this chapter.