In regular contributions ... monthly, quarterly, half yearly and annually ... or lump sums.

Regular Contributions

The minimum contribution is:

$200 monthly
$500 quarterly
$1000 half yearly
$2000 annually

Changing Payments

You can increase your contributions, but when you do it has to be at least by:

$50 increase if paying monthly
$125 increase if paying quarterly
$250 increase if paying half yearly
$500 increase if paying annually

Automatic Annual Increase

When you select this option, regular contributions increase by 5% pa.

Lump Sums

Payments as part of a regular contributions or lump sum plan:

$1,000 minimum.

Single payments, not part of any plan:

$2,000 minimum.