How often does the timing belt have to be changed on a 2004 V40 1.9 4cyl?

Do it at 60,000 miles, it is cheaper than a damaged engine-Volvo had different recommendations:
All models - 1999MY: Replacement of timing belt and tensioner every 80,000 miles or 8 years.
1,6/1,8/2,0 - 2000-01MY: Replacement of timing belt and tensioner at the following intervals:
90,000 miles/8 years.
186,000 miles/16 years.
1,9T/2,0T - 2000MY: Replacement of timing belt and tensioner at the following intervals:
66,000 miles/6 years.
138,000 miles/12 years.
210,000 miles/18 years.
2,0T - 2001MY: Replacement of timing belt and tensioner at the following intervals:
90,000 miles/8 years.
186,000 miles/16 years.
All models - 2002MY : Replacement of timing belt and tensioner every 96,000 miles or 8 years.
The previous use and service history of the vehicle must always be taken into account.