those notes could be old batch and they still keep in circulation.
the revision to 8% was effective in Nov 2016. announcement in Oct 2016 >> read
herelatest PDS on 1 March 2017 also stated 8% cashback.
i still getting 40+ cashback on 1 March 2017. :thumbsup:
unlikely maybank to u-turn their decision this soon considering they went to media to shout the benefits and collabroation with Petronas Dagangan

Maybank Islamic Bhd eyes a 27% increase in its Maybank Islamic Petronas Ikhwan Visa Card-i membership to 73,000 in the
next 12 months following the card’s newly-enhanced features.
furthermore, maybank must announce the revision at least 21 days before effective date.
The time I got the card also got this piece old info which is 8x point. But that's 2 or 3 months ago