In no case shall a person previously confined in a youthful offender facility, whether for a different or the same offense, be confined again in such a facility, except for the purposes of study, testing and diagnosis. The provisions of §§ 53.1-191, 53.1-196, and 53.1-198 through 53.1-201 relating to good conduct credits and allowances and extraordinary service and the provisions of § 53.1-187 relating to credit for time served in a correctional facility or juvenile detention facility shall not apply to persons sentenced to an indeterminate sentence under § 19.2-311 for a crime committed on or after July 1, 1983. Acts performed by such persons which would earn credit for them under § 53.1-191, if it were applicable, shall be noted on their record by the authorities of the facility.