Income test for FTB Part B: Families across Australia can access financial support through the Family Tax Benefit Part B (FTB Part B), designed especially for single parents, carers, and eligible partnered families. Recent updates have clarified the income criteria and payment reductions to ensure that support reaches those who need it the most.

Eligibility Guidelines for Different Family Structures
Single Parent and Carer Families
For families headed by single parents or carers, the maximum benefit is available if the annual adjusted taxable income does not exceed a specific threshold. Once an individual’s income goes above this threshold, FTB Part B may no longer be available. Additionally, the benefit is provided until the end of the calendar year in which the youngest child turns 18. If the child is between 16 and 18, they must be enrolled full-time in secondary education.
Partnered Parent or Carer Families
For partnered families, a two-tier income test applies. The partner earning the higher income (the primary earner) must have an income below the designated cap. If this condition is met, the secondary earner’s income is then assessed separately. The secondary earner’s income can reach a designated threshold before a reduction in the benefit occurs—if they earn over this limit, payments are reduced by a set percentage for every additional dollar earned. For families with the youngest child under 5 and those with children aged between 5 and 13, distinct income thresholds have been established to determine full or partial benefit eligibility.
Grandparent Carers
Special conditions apply for grandparent carers. Single grandparent carers have straightforward eligibility if their income remains under the maximum limit. For partnered grandparent carers, the same two-part income test applies, ensuring that even when one partner earns above the secondary threshold, some level of benefit may still be available provided the other partner’s income is within the acceptable range.
Key Income Caps and Payment Adjustments
- Income Cap for Primary Earners: To qualify for the full benefit, the primary earner’s adjusted taxable income must not exceed the specified limit.
- Secondary Earner Adjustment: Benefits diminish gradually by a fixed rate (for example, 20 cents per extra dollar earned) if the secondary earner’s income exceeds the base threshold.
- Varied Thresholds by Child’s Age: Different income thresholds apply based on whether the youngest dependent is below 5 or between 5 and 13 years old, ensuring that the benefit remains sensitive to the diverse needs of families.
Final Considerations
It is critical that families regularly review their income levels and any changes in family circumstances to understand how these adjustments may impact their eligibility for FTB Part B. The tailored approach, with separate criteria for single parents, partnered carers, and grandparent carers, ensures a fair allocation of benefits across diverse family settings.
FAQs about Income test for FTB Part B
Q: Who qualifies for the maximum rate of FTB Part B?
A: Single parents or carers whose annual adjusted taxable income does not exceed the preset maximum and partnered families where the primary earner falls below this cap with the secondary income meeting additional criteria.
Q: How does the secondary earner’s income affect the benefit?
A: For partnered families and grandparent carers, the benefit reduces by a specific percentage for each dollar earned over the secondary threshold until reaching a higher limit, at which point only a partial benefit is provided.
Q: Are there different rules for grandparent carers?
A: Yes, single grandparent carers have a uniform income threshold, while partnered grandparent carers apply a two-part income test similar to other partnered families.
Q: Until what age can a family claim FTB Part B?
A: FTB Part B is available until the end of the calendar year in which the youngest child turns 18, with additional schooling requirements for children aged 16 to 18.
visit official servicesaustralia.gov.au website for more info.
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