Legislative Change Monitoring Skill

Tracks changes to Australian tax legislation, ATO rulings, tax determinations, and court decisions that may affect the accuracy of tax analysis engines. Provides structured alerts when changes are detected that require engine updates, rate refreshes, or compliance recalculation.

When to Use

• Monitoring for new ATO tax rulings (TR) and tax determinations (TD) that affect engine logic
• Detecting federal budget announcements that change tax rates or thresholds
• Tracking Treasury Laws Amendment bills through Parliament
• Identifying court decisions (AAT, Federal Court, High Court) that change interpretation
• Alerting when Division 7A benchmark rate is published for the new FY
• Detecting changes to R&D Tax Incentive eligibility criteria
• Monitoring state government changes to payroll tax rates/thresholds

Source Registry

Primary Sources (ATO)

Source	URL Pattern	Content	Check Frequency
ATO Legal Database	ato.gov.au/law/view	Tax rulings, determinations	Weekly
ATO What's New	ato.gov.au/about-ato/new-legislation	New legislation summaries	Weekly
ATO Tax Determinations	ato.gov.au/law/view/document?DocID=TXD/	Annual rate determinations	Weekly
ATO Practice Statements	ato.gov.au/law/view/document?DocID=PSR/	ATO interpretation guidance	Monthly

Secondary Sources (Government)

Source	URL Pattern	Content	Check Frequency
Federal Register of Legislation	legislation.gov.au	Acts, regulations, amendments	Weekly
Treasury	treasury.gov.au	Exposure drafts, budget papers	Event-driven (budget)
Parliament	aph.gov.au/Parliamentary_Business/Bills	Bills before Parliament	Weekly
AusIndustry (DISER)	business.gov.au/grants-and-programs	R&D program updates	Monthly

Tertiary Sources (Legal/Professional)

Source	Content	Check Frequency
AustLII	Court decisions (AAT, Federal Court, High Court)	Weekly
CPA Australia	Professional guidance, interpretation	Monthly
Tax Institute	Technical analysis, member alerts	Monthly

Change Categories

Category 1: Rate Changes (Immediate Impact)

Change Type	Affected Engine	Action Required
Div 7A benchmark rate (annual TD)	div7a-engine	Update rate, re-analyse open assessments
R&D offset percentage	rnd-engine	Update rate table, recalculate offsets
FBT rate	fbt-engine	Update rate, recalculate FBT liabilities
SG rate	superannuation-cap-analyzer	Update rate, recalculate SG obligations
Fuel tax credit rates (quarterly)	fuel-tax-credits-analyzer	Update quarterly rate table
Payroll tax thresholds (per state)	payroll-tax-engine	Update state threshold table
IAWO threshold	deduction-engine	Update threshold, reclassify asset purchases
CGT discount rate	cgt-engine	Update discount (rare change)

Category 2: Rule Changes (Engine Logic Update)

Change Type	Example	Impact
New tax ruling (TR)	TR 2024/X on s 100A	Trust distribution analyzer logic update
Tax determination (TD)	TD on depreciation effective life	Deduction engine asset table update
Legislative amendment	Treasury Laws Amendment Act	Multiple engine updates
Court decision overriding ATO view	High Court reversal	Engine logic may need reversal
New Division or Section	New incentive program	New engine or skill required

Category 3: Deadline Changes (Calendar Update)

Change Type	Example	Impact
Lodgement extension	COVID-era extensions	Compliance calendar update
New reporting obligation	Country-by-country reporting	New deadline entries
Changed due dates	BAS quarterly date shift	Calendar recalculation

Monitoring Process

1. Scrape Sources
   ├── Use Jina AI Reader for ATO/government pages
   ├── Compare page content against last scrape
   └── Detect new items (rulings, determinations, bills)

2. Classify Change
   ├── Category 1: Rate change → immediate cache invalidation
   ├── Category 2: Rule change → engine update required
   └── Category 3: Deadline change → calendar update

3. Assess Impact
   ├── Which engines are affected?
   ├── Which financial years?
   ├── Which entity types?
   └── How many active analyses need re-running?

4. Generate Alert
   ├── CRITICAL: Immediate rate change affecting live calculations
   ├── HIGH: Rule change requiring engine update within 7 days
   ├── MEDIUM: Upcoming change (bill before Parliament)
   └── INFO: Professional guidance or interpretation update

5. Trigger Actions
   ├── Rate change → rate-change-monitor agent
   ├── Rule change → Linear issue for engine update
   ├── Deadline change → compliance-calendar-agent
   └── All → Log in legislative change register

Alert Severity Matrix

Change Type	Financial Impact	Severity	Response Time
Rate change (effective immediately)	Direct calculation error	CRITICAL	Same day
Budget announcement (future effective)	Planning impact	HIGH	Within 7 days
Bill before Parliament (not yet law)	Preparedness	MEDIUM	Within 30 days
ATO ruling (clarification)	Interpretation update	MEDIUM	Within 14 days
Court decision (appeal pending)	Uncertain	LOW	Monitor
Professional body guidance	Best practice	INFO	As convenient

Output Format

<legislative_change_alert>
  <alert_id>LCA-2026-0213-001</alert_id>
  <detected_at>2026-02-13T08:00:00+11:00</detected_at>
  <severity>high</severity>
  <category>rate_change</category>

  <change>
    <title>Division 7A Benchmark Interest Rate FY2025-26</title>
    <source>ATO Tax Determination TD 2025/X</source>
    <source_url>https://www.ato.gov.au/law/view/document?DocID=TXD/TD2025X</source_url>
    <effective_date>2025-07-01</effective_date>
    <financial_year>FY2025-26</financial_year>
    <description>The Commissioner has determined the Division 7A benchmark interest rate for FY2025-26 is 8.95% (up from 8.77% in FY2024-25).</description>
    <legislation>ITAA 1936, s 109N; TD 2025/X</legislation>
  </change>

  <impact>
    <engines_affected>div7a-engine</engines_affected>
    <entity_types_affected>private_company</entity_types_affected>
    <financial_years_affected>FY2025-26</financial_years_affected>
    <active_analyses_requiring_update>12</active_analyses_requiring_update>
    <calculation_impact>Minimum yearly repayments increase for all Div 7A loans</calculation_impact>
  </impact>

  <actions_required>
    <action priority="immediate">Update Div 7A benchmark rate in cache-manager for FY2025-26</action>
    <action priority="within_7_days">Re-run Div 7A compliance checks for entities with open loans</action>
    <action priority="within_30_days">Update compliance reports showing MYR calculations</action>
  </actions_required>
</legislative_change_alert>

Best Practices

• Scrape conservatively — respect rate limits on government websites (max 1 req/10s)
• Cache page content — compare against cached version to detect changes, not re-scrape blindly
• Verify before acting — rate changes should be confirmed from the official source (ATO Legal Database)
• Log all changes — maintain a legislative change register for audit trail
• Distinguish enacted vs proposed — bills before Parliament are NOT law until Royal Assent
• Monitor court appeals — a Federal Court decision may be overturned on appeal to Full Federal Court or High Court
• Include effective date — changes may be announced months before they take effect
• Cross-reference — verify ATO rulings against primary legislation (rulings can be withdrawn)