Yes, child support can be modified if there is a significant change in circumstances, such as a change in income, employment status, or the needs of the child.
   
 

If a parent fails to pay child support, enforcement measures can be taken, which might include garnishing wages or seizing assets.
   
 

Yes, both parents are responsible for supporting their children financially, and the amount each contributes is based on their income and the time they spend with the children.
   
 

In joint custody arrangements, child support payments are still required, but the amount may be adjusted to account for the shared parenting responsibilities and time spent with each parent.
   
 

Yes, child support can include provisions for additional expenses, such as school fees, medical expenses, and extracurricular activities, depending on the agreement or court order.
   
 

If your financial situation changes significantly, you should seek legal advice to determine if a modification of the child support order is necessary.
 

In NSW, child support is typically required until the child turns 18, but it may continue longer if the child has special needs or is still in secondary education.