Legal relationship
此前规则
The 2021 trial provisions establish baseline rules for automotive data processing and important-data cross-border transfers.
当前规则
The 2026 guideline implements those baseline duties within the current national cross-border data transfer framework; it does not replace the 2021 provisions.
实际影响:Compliance programs should apply both documents together.
The 2026 issuance announcement expressly cites the 2021 provisions.