Complex sentence: The Act was repealed and replaced by the Royal Assent Act of 1967, section 1 (2) of which does not prevent the sovereign from declaring assent in person if he or she so desires.
Split into simpler sentences: The Act was repealed and replaced by the Royal Assent Act of 1967. However section 1 (2) of that Act does not prevent the sovereign from declaring assent in person if he or she so desires.