Compulsory registration for notified electronic goods requires BIS certification and verified Standard Mark before customs clearance. The Notice mandates Compulsory Registration for all notified electronic and IT goods, including repaired or refurbished items when notified, requiring BIS testing, manufacturer registration, and use of the Standard Mark on product and packaging; importers must upload BIS registration to the electronic record system and Customs officers must verify conformity, description, and labeling before clearance, with CKD and SKD import conditions and exemptions for demonstration or testing as per MeitY guidance.