Are APAs expected to transmit regulatory data to the CTPs?

For trading venues subject to the obligations in Article 12 (1) of Commission Delegated Regulation (EU) 2025/1155, which requires business clocks capable of achieving a granularity of 0.1 microseconds, would the dissemination of timestamps at this level of granularity in their existing market data feeds be considered compliant with the requirements in Articles 5 and 6 of Delegated Regulation (EU) 2025/1155 to provide timestamps to the CTPs with a less granular precision of six decimal places?

Do trading venues subject to an outage need to provide the consolidated tape provider with a health status message? Are they exempt from generating the input order matching system status data?

Who may benefit from the opt-in regime outlined in Article 22a(2) and (3) of MiFIR?

What status must be reported when an instrument is reported for the first time to the CTP?