Question 1
Short answer
This answer explains how is china e-waste different from china rohs? in practical terms: the trigger to check, the evidence to keep, and the follow-up decision that should be owned before launch or change approval.
Use one product-family record to link the regimes, but keep separate owners and evidence packages.
Citations
Use for waste electrical/electronic product recovery and disposal scope, producer and disposal duties, qualified treatment, recordkeeping, penalties, 1 January 2011 effective date, and 2019 revision.
Use for electrical/electronic product scope, hazardous-substance control duties, marking and disclosure, environmental protection use period, catalogue/conformity assessment context, enforcement, and 1 July 2016 effective date.