got it:
for trips of more than 24 hours and less that 48 hours, the duty free allowance will increase from the current limit of $50 to $200.
for trips of more than 48 hours but less than 7 days, the duty free allowance will increase from the current limit of $400 to $800.
for trips of more than 7 days, the duty free limit will increase by $50, from the current limit of $750 to $800.
duty free limits for tobacco and alcohol will remain unchanged.