# Find Australian lodgment and employer due dates

Find the due date for a BAS or IAS, PAYG instalments, super guarantee, income tax returns, the taxable payments report and fringe benefits tax.

Canonical: https://aroai.com/tools/au_lodgment_dates/

## Tool reference

MCP tool ID: `au_lodgment_dates`. Availability: Live. Country: Australia.

Credit use: 1 credit.

## Input schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "obligation": {
      "type": "string",
      "enum": [
        "bas",
        "ias",
        "payg_instalments",
        "super_guarantee",
        "income_tax_return",
        "tpar",
        "fbt"
      ],
      "description": "Choose bas, ias, payg_instalments, super_guarantee, income_tax_return, tpar, or fbt."
    },
    "period_end": {
      "description": "Period end in YYYY-MM-DD. For Payday Super, use the payday; for income tax returns, use 30 June; for TPAR, 30 June; for annual FBT, 31 March.",
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "filing_frequency": {
      "type": "string",
      "enum": [
        "monthly",
        "quarterly",
        "payday",
        "annual"
      ]
    },
    "entity_type": {
      "description": "Required for income_tax_return.",
      "type": "string",
      "enum": [
        "individual",
        "company"
      ]
    },
    "tax_agent_linked": {
      "description": "Whether a registered tax agent is linked. Agent lodgment programs remain subject to ATO eligibility and the date shown in the client's account.",
      "type": "boolean"
    }
  },
  "required": [
    "obligation"
  ],
  "additionalProperties": false
}
```

## Example input

```json
{
  "obligation": "bas",
  "period_end": "2026-09-30",
  "filing_frequency": "quarterly"
}
```

## Usage notes

- Payday Super uses the payday as the period end from 1 July 2026.
- Weekend and public-holiday relief applies when a date is a holiday for a whole state or territory.
- Registered agent dates are account-specific; the standard date is shown.