Workflow base for wealth tax, inheritance / estate tax, gift tax, and property transfer tax skills. Covers asset inventory, valuation, beneficiary / heir identification, exemption / relief analysis, computation, double-tax relief, and filing assembly. Workflow architecture only — no country rate…
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General reference only
This Guide is general tax/accounting reference material for AI-assisted workflows. It has not been reviewed for your personal facts, documents, elections, deadlines, residency, filing status, or local procedures. Do not rely on it to file, pay, amend, or take a tax position without review by a qualified professional in the relevant jurisdiction.
Source-cited draft. This Guide is source-cited but has not been reviewed by a licensed practitioner. It may be incomplete, outdated, or wrong.
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US estate tax rate range
18–40%Internal Revenue Code (IRC) §§ 2001, 2010
French succession tax rate range
5–45%Code général des impôts (CGI)
German inheritance/gift tax (Erbschaftsteuer) rate range
7–50%Erbschaftsteuer- und Schenkungsteuergesetz (ErbStG)
Italian successioni flat rate — direct line (spouse/children)
4%Testo Unico delle disposizioni concernenti l'imposta sulle successioni e donazioni (D.Lgs. 346/1990)
Italian successioni flat rate — siblings/collateral
6%Testo Unico delle disposizioni concernenti l'imposta sulle successioni e donazioni (D.Lgs. 346/1990)
Italian successioni flat rate — other/unrelated
8%Testo Unico delle disposizioni concernenti l'imposta sulle successioni e donazioni (D.Lgs. 346/1990)
US marital deduction
UnlimitedInternal Revenue Code (IRC) § 2056
UK marital deduction (spouse/civil partner)
Unlimited (for UK-domiciled/long-term resident spouse)Inheritance Tax Act 1984 (IHTA 1984) s.18
German spousal/marital allowance (Erbschaftsteuer)
EUR 500,000Erbschaftsteuer- und Schenkungsteuergesetz (ErbStG) § 16
Spanish habitual residence (ISD) national exemption
EUR 300,000Ley 29/1987 del Impuesto sobre Sucesiones y Donaciones
French family business relief (Pacte Dutreil)
75% reductionCode général des impôts (CGI) art. 787 B
German business property relief (Verschonungsabschlag)
85–100%Erbschaftsteuer- und Schenkungsteuergesetz (ErbStG) §§ 13a, 13b
UK Business Property Relief (BPR)
100%Inheritance Tax Act 1984 (IHTA 1984) ss. 103–114
Spain combined IRPF + Impuesto sobre el Patrimonio + Solidaridad cap
60% of IRPF baseLey 19/1991 del Impuesto sobre el Patrimonio art. 31; Ley 38/2022 (Solidaridad)
French IFI (Impôt sur la Fortune Immobilière) cap
75% of prior year incomeCode général des impôts (CGI) art. 979
UK IHT 7-year cumulation rule (lifetime transfers drawn back into estate)
7 yearsInheritance Tax Act 1984 (IHTA 1984) s. 7
French IFI primary residence discount
30%Code général des impôts (CGI) art. 973
Italian successioni cadastral value multiplier — first home
110Testo Unico delle disposizioni concernenti l'imposta sulle successioni e donazioni (D.Lgs. 346/1990)
Italian successioni cadastral value multiplier — second home
120Testo Unico delle disposizioni concernenti l'imposta sulle successioni e donazioni (D.Lgs. 346/1990)
US estate tax alternate valuation date
6 months after date of death (electable)Internal Revenue Code (IRC) § 2032
UK non-resident surcharge on property purchase
2%Finance Act 2021 (Stamp Duty Land Tax — Non-UK Resident Surcharge)
Singapore ABSD rate — foreign purchasers
60%Stamp Duties Act (Cap. 312), Additional Buyer's Stamp Duty (ABSD) rules
Canada Non-Resident Speculation Tax (NRST) rate
25%Ontario Land Transfer Tax Act; British Columbia Property Transfer Tax Act (provincial NRST legislation)
Australia state surcharge on property for non-residents
7–8%Various state Duties Acts (e.g., NSW Duties Act 1997; Victorian Duties Act 2000)
UK shift from domicile to long-term residence (LTR) basis
From April 2025Finance Act 2025 (UK IHT long-term residence reforms)
Typical filing deadline for estate/inheritance/gift/wealth tax
6–12 months from the chargeable eventJurisdiction-specific legislation (e.g., IHTA 1984 s. 216 — UK 12 months; IRC § 6075 — US 9 months; ErbStG — Germany 3 months)
Standard annual reference date for wealth tax
31 DecemberVarious national wealth tax statutes (e.g., Ley 19/1991 — Spain; Loi de finances — France IFI; Swiss cantonal tax laws)
Number of bilateral estate/inheritance/wealth tax treaties globally (approximate)
~15 bilateral treatiesOECD Model Estate Tax Convention; bilateral treaty networks (US, UK, France, Germany etc.)
Standard treaty article for wealth tax credit relief
Article 22OECD Model Convention with Respect to Taxes on Income and on Capital art. 22
Tier 1 workflow base for transfer-on-death, gift, annual wealth, and property purchase tax skills.
This base covers a family of related taxes triggered by:
This base assumes:
Event / Tax(es) potentially triggered table ([T1])
| Event | Tax(es) potentially triggered |
|---|---|
| Annual reference date (31 Dec typically) | Wealth tax (Spain, Norway, Switzerland, Argentina, Colombia, Uruguay, France IFI, NL Box 3) |
| Death of holder | Inheritance / estate tax (DE, FR, ES, IT, NL, BE, UK, US, JP, KR) |
| Gift / lifetime transfer | Gift tax (DE, FR, ES, IT, NL, BE, UK, US, JP, KR) |
| Real estate purchase | Property transfer tax (UK SDLT, DE GrESt, FR DMTO, IT registro, ES ITP/AJD, NL OB, SG BSD+ABSD, HK AVD) |
Asset class / Typical situs table
| Asset class | Typical situs |
|---|---|
| Real estate | Land location |
| Tangible movable | Physical location at event |
| Shares in companies | Country of incorporation OR share register |
| Bank deposits | Country of bank |
| Government bonds | Country of issue |
| Private equity / unlisted | Country of company residence |
| Crypto | Owner's residence (contested) |
Wealth / estate / inheritance tax treaties exist sparsely. Most relief is unilateral.
1. Personal scope
- Tax residence / domicile / LTR confirmation
- Worldwide vs local-situs basis
2. Asset inventory
- Class, situs, value, ownership
3. Liabilities and deductions
4. Beneficiary / heir register
- Relationship classification per jurisdiction
5. Exemptions and reliefs schedule
6. Computation per jurisdiction
7. Cap analysis (Spain 60%, France 75%, US unified credit)
8. Cross-border credit
9. Filing schedule and payment plan
10. Reviewer questions — [T2]/[T3] items
Refusal catalogue table
| Refusal | Trigger |
|---|---|
| R-WET-1 | Beneficiary / heir under disability and lacking representative |
| R-WET-2 | Trust / nominee / hidden beneficial ownership without disclosure |
| R-WET-3 | Asset class not clearly classified (NFT, crypto, complex derivative) |
| R-WET-4 | Family business with relief eligibility uncertain (continuation, payroll, holding period) |
| R-WET-5 | Cross-border situs in dispute |
| R-WET-6 | DAC6 / MDR reportable arrangement |
| R-WET-7 | Pre-existing tax authority audit or controversy |
This workflow base produces working papers for review by credentialed estate planning practitioners. Estate, gift, wealth, and property transfer taxes have material magnitude and are jurisdiction-specific. Every output must be reviewed and signed off by a credentialed practitioner before filing or executing a transfer.
The most up-to-date, verified version of this workflow base is maintained at openaccountants.com.
Other GLOBAL computations in the OpenAccountants Tax Library.
Rendered from the facts database. General reference only — confirm with a qualified professional before acting.
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