Found 4 relevant pages. The strongest matches explain what “gst withholding” means, where the buyer risk sits, and how the clause plays out in real contracts.

Frequent Risk Signals

• Personal Liability for Penalties: If you fail to withhold the correct amount or fail to notify the ATO, you may be hit with an administrative penalty equal to the amount that should have been withheld, potentially costing you tens of thousands of dollars.
• Breach of Property Contract: Failure to comply with GST withholding obligations can cause a delay in settlement, triggering penalty interest payments to the seller or even allowing the seller to rescind the contract and keep your deposit.
• Double Payment Exposure: If a buyer mistakenly pays the full purchase price to a developer without withholding the GST, the ATO still holds the buyer responsible for the tax; if the developer disappears or goes insolvent, the buyer may have to pay the GST a second time out of their own pocket.
• Incorrect Form Submission: There is a significant buyer's risk in failing to lodge the two required ATO digital forms (the 'GST property settlement withholding notification' and 'GST property settlement date confirmation') within the strict legislative timeframes.
• Complex Margin Scheme Calculations: If the "Margin Scheme" applies, the withholding amount is 7% of the price rather than 1/11th; getting this calculation wrong can lead to a shortfall in the eyes of the ATO and subsequent legal debt recovery.
• New Residential Premises Trap: Buyers often assume a property is "established," but if it has been substantially renovated or hasn't been sold as residential premises before, it may trigger GST withholding unexpectedly, creating a sudden funding gap at settlement.