The NCC Amendment 1 version of the BCA is now in effect from 1 July 2020.
The transition period set out by the ABCB states that the process for documenting Performance Solutions as per A2.2 of the amendment will come into effect from 1 July 2021 to allow for adoption of the processes laid out in the amendment.
It is also worth noting that the final version of the NCC Amendment 1 is different from the version made available as a preview earlier in the year.
You can download the full version of the current NCC including amendments from the ABCB website at the below address.