Desk 3 · two passports × one land · verified 2026-08
6 lenses differ on this land. Highlighted rows are where filed cells disagree — never invented scores.
Verified 2026-08MethodSourcesSame land. Different home law. Cells come from each nationality × destination overlay.
Singaporean passport
Singapore territorial tax, IR21 and CPF stay Singapore-side when you leave.
SG → Portugal taxFrom SingaporeAustralian passport
Australia keeps Super, CGT event I1 and Age Pension rules on the Australian folder — the DTA sits between folders.
AU → Portugal taxFrom AustraliaOverlays: SG → Portugal · AU → Portugal · Home × land · Two dests.
| Lens | Singapore | Australia |
|---|---|---|
| Treaty | yesSource Portugal OECD MLI consolidated position + AT convention list — Portugal–Singapore Convention, Original signed 06-09-1999, entry into force 16-03-2001; IRAS lists Portugal among Singapore's Avoidance of Double Taxation Agreements Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | Signed, not in force |
| Employment short-stay | 183Source SG–PT Agreement Art 15(2)(a) — ≤183 days in any twelve-month period commencing or ending in the calendar year concerned Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | — |
| Relief (double tax) | ordinary tax creditSource SG–PT Agreement Art 24 — Elimination of Double Taxation (Singapore credits Portuguese tax; Portugal credits Singapore tax) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | no treaty relief yet — Agreement signed, not in forceSource ATO / FITO status — AU–PT signed 30 Nov 2023 not yet in force; nguon/PT_SOURCES.md Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Art 4 | Cascadepermanent home → centre of vital interests → habitual abode → nationality → mutual agreementSource SG–PT Convention Art 4(2) (OECD-model cascade in the Portugal AT / Inforfisco consolidated text) — permanent home → centre of vital interests → habitual abode → nationality → competent-authority mutual agreement Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | — |
| SSA / totalization | noSource CPF Board / Singapore domestic CPF regime — no Singapore–Portugal social security / CPF totalisation agreement published; same gate as sg_vn_social_security_agreement_in_force (nguon/SG_SIDE_TRAPS.md pattern) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource DSS / Services Australia — Australia–Portugal international social security agreement (Portugal on the published partner list; ATO bilateral SSA table notes start 1 October 2002) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Treaty pensions | yesSource SG–PT Agreement Art 18 (IRAS synthesised MLI PDF) — subject to Art 19(2), pensions and similar remuneration for past employment taxable only in the residence State Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource ATO 'Countries and jurisdictions that have a tax treaty with Australia' (Attachment A, published 29 May 2025) lists Portugal as 'not yet entered into force'; Treasury media release — the Convention between Australia and the Portuguese Republic was signed 30 November 2023 in Lisbon and will apply only after both countries exchange instruments of ratification Checked Aug 2026 · Band high · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Foreign-income hinge | yesSource AT tax-residency rules — residents typically pay tax on all their income, whether from Portugal or abroad; non-residents only pay tax on Portugal-source income Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource AT tax-residency rules — residents typically pay tax on all their income, whether from Portugal or abroad; non-residents only pay tax on Portugal-source income Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Home-side traps | yesSource Singapore domestic rules reuse across destinations (sg_vn_tax / sg_side_traps): territorial tax base, IR21 clearance on departure, ESOP deemed exercise, CPF status (not geography) — the Portugal DTA does not delete them Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource au_vn_tax / AU-side traps — residency tests, CGT deemed disposal, superannuation reuse across destinations Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Home beachhead cell | — | CGT event I1 (home side): yesSource ITAA 1997 s 104-160; ATO QC66059 How changing residency affects CGT Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Tax-residence day test | 183 daysSource Autoridade Tributária English tax-residency rules page + CIRS Art. 16(1)(a) — resident if stayed in Portugal for more than 183 days (consecutive or interrupted) in any 12-month period beginning or ending in the tax year in question Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
|---|---|
| Foreign / worldwide income | yesSource AT tax-residency rules — residents typically pay tax on all their income, whether from Portugal or abroad; non-residents only pay tax on Portugal-source income Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Top personal rate | 48%Source CIRS Art. 68(1) (Lei 73-A/2025) — AT irs68 table: superior a €86,634; taxa normal 48,00% (ninth escalão; no taxa média listed) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Long-stay instrument | 7 days/yearSource AIMA ARI Art. 90.º-A — the ARI holder must spend at least 7 days in Portugal in the first year and at least 14 days in each subsequent year (a light physical-presence rule, not a residence-for-tax rule) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
| Local earn gate | 2157 EUR/monthSource AIMA Art. 90.º highly-qualified activity — subordinate hire needs an employer declaration of a contract paying at least 1.5× the national average gross annual salary (€2,157/month) or 3× the IAS; for shortage occupations in ISCO major groups 1 and 2 the floor is at least 1.2× the average gross salary (€1,725.60/month) or 2× the IAS (€1,018.52/month). Reference years: 2023 (average salary), 2024 (IAS) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. |
Cross-check
| Land | Treaty | Relief | SSA | Open |
|---|---|---|---|---|
| Vietnam | yesSource SSO Income Tax (Singapore — Vietnam) Order 1994 — Agreement signed Hanoi 2 March 1994 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource SSO Order 1994 Art 15 / Art 24; nguon/SG_VN_DTA_1994.md Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource Singapore has no bilateral social security / CPF totalisation agreement with Vietnam; CPF membership turns on SC/SPR status (CPF Board), not a VN SSA certificate path Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | SG → Vietnam |
| Thailand | yesSource MOF Singapore — revised Singapore–Thailand DTA enters into force on 15 February 2016 (signed 11 June 2015) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource Singapore–Thailand Agreement Art 22 — each State credits tax paid in the other, subject to domestic limits Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource CPF Board / Singapore domestic CPF regime — no Singapore–Thailand social security / CPF totalisation agreement published; same gate as sg_vn_social_security_agreement_in_force (nguon/SG_SIDE_TRAPS.md pattern) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | SG → Thailand |
| Indonesia | yesSource DJP (pajak.go.id) tax treaty register — Singapore P3B in force (effective 2022-01-01) (revised treaty replacing the 1990 agreement; confirm exact effective date on the DJP entry) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource SG–ID Art 15 — 183 days in any 12-month period — Article 23 ordinary credit method Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource CPF Board / Singapore domestic CPF regime — no Singapore–Indonesia social security / CPF totalisation agreement published; same gate as sg_vn_social_security_agreement_in_force (nguon/SG_SIDE_TRAPS.md pattern) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | SG → Indonesia |
| Philippines | yesSource BIR Philippine Double Taxation Agreements list — Singapore treaty in force (effective 1997-01-01) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | tax creditSource Singapore–Philippines DTA Art. 22 — both States grant credit for qualifying tax paid in the other State, with additional tax-sparing provisions Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource CPF Board / Singapore domestic CPF regime — no Singapore–Philippines social security / CPF totalisation agreement published; same gate as sg_vn_social_security_agreement_in_force (nguon/SG_SIDE_TRAPS.md pattern) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | SG → Philippines |
| Malaysia | yesSource IRAS synthesised DTA text — Date of Conclusion 5 October 2004; Entry into Force 13 February 2006; Effective Date 1 January 2007; MLI modifications via Income Tax (Singapore—Malaysia) (Avoidance of Double Taxation Agreement) (Modifications to Implement Multilateral Instrument) Order 2021, EIF 1 June 2021 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource SG–MY DTA Art 15 Dependent Personal Services (IRAS MLI PDF) — Article 23 ordinary credit Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource CPF Board / Singapore domestic CPF regime — no Singapore–Malaysia social security / CPF totalisation agreement published; same gate as sg_vn_social_security_agreement_in_force (nguon/SG_SIDE_TRAPS.md pattern) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | SG → Malaysia |
| PortugalHere | yesSource Portugal OECD MLI consolidated position + AT convention list — Portugal–Singapore Convention, Original signed 06-09-1999, entry into force 16-03-2001; IRAS lists Portugal among Singapore's Avoidance of Double Taxation Agreements Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource SG–PT Agreement Art 24 — Elimination of Double Taxation (Singapore credits Portuguese tax; Portugal credits Singapore tax) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource CPF Board / Singapore domestic CPF regime — no Singapore–Portugal social security / CPF totalisation agreement published; same gate as sg_vn_social_security_agreement_in_force (nguon/SG_SIDE_TRAPS.md pattern) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | SG → Portugal |
| Passport | Treaty | Relief | SSA | Open |
|---|---|---|---|---|
| AU | Signed, not in force | no treaty relief yet — Agreement signed, not in forceSource ATO / FITO status — AU–PT signed 30 Nov 2023 not yet in force; nguon/PT_SOURCES.md Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource DSS / Services Australia — Australia–Portugal international social security agreement (Portugal on the published partner list; ATO bilateral SSA table notes start 1 October 2002) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | AU → Portugal |
| SGHere | yesSource Portugal OECD MLI consolidated position + AT convention list — Portugal–Singapore Convention, Original signed 06-09-1999, entry into force 16-03-2001; IRAS lists Portugal among Singapore's Avoidance of Double Taxation Agreements Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource SG–PT Agreement Art 24 — Elimination of Double Taxation (Singapore credits Portuguese tax; Portugal credits Singapore tax) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource CPF Board / Singapore domestic CPF regime — no Singapore–Portugal social security / CPF totalisation agreement published; same gate as sg_vn_social_security_agreement_in_force (nguon/SG_SIDE_TRAPS.md pattern) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | SG → Portugal |
| KR | yesSource Portugal OECD MLI consolidated position — Portugal–Korea Convention, Original signed 26-01-1996, entry into force 21-12-1997 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource KR–PT Convention Art 23 — Methods for Elimination of Double Taxation (credit; matches KR–TH/KR–MY pattern filed from Korean Ministry of Government sources) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource NPS social security agreements overview — Portugal is not among Korea’s published SSA partners (MOU lump-sum paths elsewhere do not equal an SSA) Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | KR → Portugal |
| CN | yesSource Portugal OECD MLI consolidated position + AT DTC summary table — Portugal–China Agreement, Original signed 21-04-1998, entry into force 08-06-2000 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource CN–PT Agreement Art 23 — Methods for Elimination of Double Taxation (China credits Portuguese tax; Portugal credits Chinese tax) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource MOHRSS / published China bilateral social security partner list (13 countries) does not include Portugal — same gate as cn_vn_social_security_agreement_in_force Checked Aug 2026 · Band med · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | CN → Portugal |
| JP | yesSource Portugal OECD MLI consolidated position + AT DTC summary table (Parliament's Resolution 50/2012) — Convention between the Portuguese Republic and Japan, Original signed 19-12-2011, entry into force 28-07-2013 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource JP–PT Convention Art 22 — Elimination of Double Taxation (Portugal credits Japanese tax; Japan credits Portuguese tax) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | noSource Japan Pension Service — Status of Agreements in Force (24 partners) does not include Portugal Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | JP → Portugal |
| UK | yesSource GOV.UK 'Portugal: tax treaties' + HMRC DT15600 — the 2025 UK–Portugal Double Taxation Convention (SI 2025 No. 1300), signed in London 15 September 2025, entered into force 29 December 2025; effective in the UK from 1 Jan 2026 (WHT), 1 Apr 2026 (CT), 6 Apr 2026 (IT/CGT), and in Portugal from 1 Jan 2026 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary tax creditSource UK–Portugal 2025 DTC Art 21 — Elimination of Double Taxation, UK credit for Portuguese tax Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource GOV.UK NI38 — Portugal is an EU social security agreement country for the UK Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | UK → Portugal |
| CA | yesSource Portugal OECD MLI consolidated position + AT DTC summary table (Parliament's Resolution 81/00) + Finance Canada treaty list — Canada–Portugal Convention, Original signed 14-06-1999, entry into force 24-10-2001 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary foreign tax creditSource CA–PT Convention Art 22 — Elimination of Double Taxation (Canada deducts Portuguese tax; Portugal credits Canadian tax) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource CRA — Canada–Portugal social security agreement EIF 1 May 1981 (CPT55) Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | CA → Portugal |
| US | yesSource US Treasury Convention text (signed Washington 6 September 1994) + Portugal OECD MLI consolidated list — US–Portugal income tax convention, entry into force 18 December 1995, generally effective from 1 January 1996 Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | ordinary foreign tax creditSource US–Portugal 1994 Convention Art 25 — Relief from Double Taxation (US credit), behind the Art 1(4) saving clause Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | yesSource SSA — the U.S.–Portugal Agreement on Social Security (signed Lisbon 30 March 1988, TIAS 12121) entered into force 1 August 1989; it eliminates dual social-security coverage and can total periods for benefits. Unlike US–Malaysia, this coordination exists Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog. | US → Portugal |