Can someone sponsor your funds? The Haftungserklärung, and when it works
Austria requires residency applicants to show funds covering at least twelve months of the minimum monthly income, whether through income, savings, or a mix of both.1 For a single applicant in 2026, that monthly rate is €1,308.39; for a couple filing together, €2,064.12. If the full-year equivalent is met through resources in your own name(s), this part of the application isn't complicated. If that's not the case, there is a formal instrument in Austrian immigration law that allows a third party to step in as a financial guarantor. The instrument is the Haftungserklärung (declaration of liability), and for some permit types it is a genuine and legally available path. Applicability is governed by permit type, which means a guarantor who is perfectly valid for one application in your household may be legally useless for another.
What the instrument is
A Haftungserklärung is a formal declaration, certified by an Austrian notary or a domestic court, in which a third party commits to covering the costs of your stay in Austria.2 The guarantor's legal commitment covers your health insurance, accommodation, and maintenance (monthly minimum finances), as well as any public costs Austria may incur on your behalf: removal expenses, Schubhaft (immigration detention), social assistance, and Grundversorgung (basic welfare provision).2
Once signed, the declaration is valid for five years and irrevocable.2 A guarantor who knowingly signs a declaration they cannot fulfill is committing an administrative offense under Austrian law, with fines up to €1,500.2 Only one Haftungserklärung may be submitted per application. If multiple guarantors appear on a single declaration, they share the liability jointly and severally.2
Which permits allow it
Austrian law applies a strict permit-type filter.
Under §11 Abs 6 NAG, using a Haftungserklärung to satisfy the funds, insurance, and accommodation conditions is only possible where the permit's own legal section expressly says so.3 Where it says nothing, the instrument is unavailable for that application, regardless of the guarantor's willingness or financial strength.
For the Student permit, the law is explicit. §64 NAG contains the sentence "Eine Haftungserklärung ist zulässig," meaning a Haftungserklärung is admissible.4 The same language appears in the sections for the Schüler (Pupil residence permit) and Freiwilliger (volunteer) permits.4 OeAD, which administers Austrian study programs, lists a declaration from a resident of the EU among the accepted proofs of funds for a Student first application.5
The Familiengemeinschaft (Residence permit – Family) permit, for instance, is a different matter. The full text of §69 NAG, which governs that permit, contains no such sentence.6 Under §11 Abs 6, this means the instrument is inadmissible for a Familiengemeinschaft application. A declaration from a sound guarantor is legally useless in this case, because the law has no mechanism to receive it.
What the guarantor needs to show
Admissibility and eligibility are separate questions.
A permit section can allow a Haftungserklärung, but the declaration still has to pass the tragfähig (financially sound) test. The guarantor's own income is checked against the §293 ASVG reference rates, the same floor that governs what applicants must show in their own names.7 A declaration backed by a guarantor whose income doesn't clear that bar is disregarded.
If you are relying on a sponsor, their finances need to hold up to the same scrutiny your own would. A guarantor who is willing but thin on income is not a path around the requirements. Submitting a declaration that fails the tragfähig test wastes the single declaration you have per application.
OeAD's guidance specifies that the guarantor should be a resident in the EU.5 The formal requirements are otherwise as described above: notarization or court certification, the five-year irrevocable commitment, and the €1,500 penalty for a non-performable declaration.
One declaration, two permits, joint funds
When my wife was applying for her first Student permit, a family friend served as her financial guarantor. The application went through without problems; to me this was confirmation that the instrument works. What I didn't yet understand was the specific conditions under which it does, and where it doesn't.
A few years later, we filed renewals at the same time: her Student permit, my Familiengemeinschaft (Residence permit – Family) permit. We tried a Haftungserklärung again. The declaration was made out to both of us. Our funds are assessed jointly at the couple threshold, so covering both applications with a single declaration made practical sense. It didn't work. Full own funds were still required.
At the time I couldn't fully explain why, but the legal picture is clearer now.
The Student permit (§64) allows the instrument. The Familiengemeinschaft permit (§69) does not. When you file simultaneous renewals as a couple, funds are assessed jointly at the couple threshold, with both applications working from the same pool. My permit had no legal mechanism to receive the declaration, so the declaration couldn't meet the joint funds requirement for our package. Unfortunately, things like this rely on the weakest link, so we still had to satisfy the financial requirements ourselves.
The success at my wife's first Student application had a simple legal explanation: §64 permits the instrument, OeAD lists it, and hers was a Student application filed under §64. The renewal failure followed directly from the law. The instrument was never available for my permit. I just didn't know that at the time.
For your own application: on the Student, Schüler (Pupil residence permit), or Freiwilliger (volunteer) path with a financially solid guarantor, the instrument is available.4 On the Familiengemeinschaft path, it is not.6 If you are filing both permits simultaneously as a couple, both applications work from the same funds pool, and the permit that cannot use the instrument governs the whole package.
Figures verified June 2026.
Official sources
- City of Vienna — "Proof of funds: income thresholds" (wien.gv.at) ↩ ↩ ↩
- OeAD — Student residence permit: required documents (oead.at) ↩ ↩
The law behind this
- NAG §2 Abs 1 Z 15 and Abs 6 — definition of the Haftungserklärung; certified by Austrian notary or domestic court; covers health insurance, accommodation, maintenance, and public liability costs; valid five years; irrevocable; one per application; joint and several liability for multiple guarantors; administrative offense and up to €1,500 fine for a knowingly non-performable declaration (ris.bka.gv.at) ↩ ↩ ↩ ↩ ↩
- NAG §11 Abs 6 — the admissibility switch: using a Haftungserklärung to satisfy the §11 Abs 2 Z 2–4 conditions is possible only where the permit's own legal section expressly states so (ris.bka.gv.at) ↩
- NAG §64 Abs 1 — Student permit; expressly states "Eine Haftungserklärung ist zulässig"; same language in §63 (Schüler) and §67 (Freiwilliger) (ris.bka.gv.at) ↩ ↩ ↩
- NAG §69 — Familiengemeinschaft permit; full text confirmed 12 June 2026; no Haftungserklärung admissibility sentence anywhere; inadmissible under the §11 Abs 6 switch (ris.bka.gv.at) ↩ ↩
- NAG §11 Abs 5 — the funds threshold is pegged to the §293 ASVG reference rate; the same rate governs the tragfähig test applied to guarantor income (ris.bka.gv.at) ↩