Here's another, just released today. Remember these AC's don't have a "head-of-power"
AC-145(4) | Assistance to the Aviation Industry
6. CATEGORY A TRAINING AND AUTHORISATION
6.1 Before a category A licence holder can carry out and certify for any of the category A licence tasks listed within Appendix II of the Part 145 Manual of Standards (MOS) they must be type and task trained and authorised by the Part 145 AMO. Type and task training may be carried out by the Part 145 AMO or a Part 147 Maintenance Training Organisation (MTO). In either case, the way in which the category A is to be type and task trained and subsequently authorised needs to be described within the Part 145 AMO’s exposition.
6.2 A regulation 30 of the Civil Aviation Regulations 1988 (CAR) aircraft maintenance organisation – via instrument CASA 180/11 – Authorisation – category A maintenance authority holder in a CAR 30 organisation – Exemption – from regulation 66.130 of CASR 1998, may also utilise the services of category A licence holders to carry out and certify for any of the category A licence tasks listed within Appendix II of the Part 145 MOS. The Certificate of Approval (COA) holder needs to seek CASA delegations and authorisations to authorise category A personnel post type and task training.
And it goes on!!!