# `Stripe.Params.Tax.RegistrationCreateParams.CountryOptions`
[🔗](https://github.com/jeffhuen/tiger_stripe/blob/main/lib/stripe/params/tax/registration_create_params.ex#L22)

Nested parameters.

# `t`

```elixir
@type t() :: %Stripe.Params.Tax.RegistrationCreateParams.CountryOptions{
  ae: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ae.t() | nil,
  al: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Al.t() | nil,
  am: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Am.t() | nil,
  ao: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ao.t() | nil,
  at: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.At.t() | nil,
  au: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Au.t() | nil,
  aw: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Aw.t() | nil,
  az: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Az.t() | nil,
  ba: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ba.t() | nil,
  bb: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Bb.t() | nil,
  bd: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Bd.t() | nil,
  be: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Be.t() | nil,
  bf: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Bf.t() | nil,
  bg: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Bg.t() | nil,
  bh: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Bh.t() | nil,
  bj: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Bj.t() | nil,
  bs: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Bs.t() | nil,
  by: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.By.t() | nil,
  ca: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ca.t() | nil,
  cd: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Cd.t() | nil,
  ch: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ch.t() | nil,
  cl: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Cl.t() | nil,
  cm: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Cm.t() | nil,
  co: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Co.t() | nil,
  cr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Cr.t() | nil,
  cv: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Cv.t() | nil,
  cy: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Cy.t() | nil,
  cz: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Cz.t() | nil,
  de: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.De.t() | nil,
  dk: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Dk.t() | nil,
  ec: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ec.t() | nil,
  ee: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ee.t() | nil,
  eg: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Eg.t() | nil,
  es: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Es.t() | nil,
  et: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Et.t() | nil,
  fi: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Fi.t() | nil,
  fr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Fr.t() | nil,
  gb: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Gb.t() | nil,
  ge: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ge.t() | nil,
  gn: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Gn.t() | nil,
  gr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Gr.t() | nil,
  hr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Hr.t() | nil,
  hu: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Hu.t() | nil,
  id: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Id.t() | nil,
  ie: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ie.t() | nil,
  in: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.In.t() | nil,
  is: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Is.t() | nil,
  it: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.It.t() | nil,
  jp: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Jp.t() | nil,
  ke: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ke.t() | nil,
  kg: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Kg.t() | nil,
  kh: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Kh.t() | nil,
  kr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Kr.t() | nil,
  kz: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Kz.t() | nil,
  la: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.La.t() | nil,
  lk: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Lk.t() | nil,
  lt: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Lt.t() | nil,
  lu: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Lu.t() | nil,
  lv: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Lv.t() | nil,
  ma: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ma.t() | nil,
  md: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Md.t() | nil,
  me: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Me.t() | nil,
  mk: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Mk.t() | nil,
  mr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Mr.t() | nil,
  mt: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Mt.t() | nil,
  mx: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Mx.t() | nil,
  my: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.My.t() | nil,
  ng: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ng.t() | nil,
  nl: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Nl.t() | nil,
  no: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.No.t() | nil,
  np: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Np.t() | nil,
  nz: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Nz.t() | nil,
  om: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Om.t() | nil,
  pe: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Pe.t() | nil,
  ph: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ph.t() | nil,
  pl: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Pl.t() | nil,
  pt: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Pt.t() | nil,
  ro: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ro.t() | nil,
  rs: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Rs.t() | nil,
  ru: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ru.t() | nil,
  sa: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Sa.t() | nil,
  se: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Se.t() | nil,
  sg: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Sg.t() | nil,
  si: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Si.t() | nil,
  sk: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Sk.t() | nil,
  sn: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Sn.t() | nil,
  sr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Sr.t() | nil,
  th: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Th.t() | nil,
  tj: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Tj.t() | nil,
  tr: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Tr.t() | nil,
  tw: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Tw.t() | nil,
  tz: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Tz.t() | nil,
  ua: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ua.t() | nil,
  ug: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Ug.t() | nil,
  us: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Us.t() | nil,
  uy: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Uy.t() | nil,
  uz: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Uz.t() | nil,
  vn: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Vn.t() | nil,
  za: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Za.t() | nil,
  zm: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Zm.t() | nil,
  zw: Stripe.Params.Tax.RegistrationCreateParams.CountryOptions.Zw.t() | nil
}
```

* `ae` - Options for the registration in AE.
* `al` - Options for the registration in AL.
* `am` - Options for the registration in AM.
* `ao` - Options for the registration in AO.
* `at` - Options for the registration in AT.
* `au` - Options for the registration in AU.
* `aw` - Options for the registration in AW.
* `az` - Options for the registration in AZ.
* `ba` - Options for the registration in BA.
* `bb` - Options for the registration in BB.
* `bd` - Options for the registration in BD.
* `be` - Options for the registration in BE.
* `bf` - Options for the registration in BF.
* `bg` - Options for the registration in BG.
* `bh` - Options for the registration in BH.
* `bj` - Options for the registration in BJ.
* `bs` - Options for the registration in BS.
* `by` - Options for the registration in BY.
* `ca` - Options for the registration in CA.
* `cd` - Options for the registration in CD.
* `ch` - Options for the registration in CH.
* `cl` - Options for the registration in CL.
* `cm` - Options for the registration in CM.
* `co` - Options for the registration in CO.
* `cr` - Options for the registration in CR.
* `cv` - Options for the registration in CV.
* `cy` - Options for the registration in CY.
* `cz` - Options for the registration in CZ.
* `de` - Options for the registration in DE.
* `dk` - Options for the registration in DK.
* `ec` - Options for the registration in EC.
* `ee` - Options for the registration in EE.
* `eg` - Options for the registration in EG.
* `es` - Options for the registration in ES.
* `et` - Options for the registration in ET.
* `fi` - Options for the registration in FI.
* `fr` - Options for the registration in FR.
* `gb` - Options for the registration in GB.
* `ge` - Options for the registration in GE.
* `gn` - Options for the registration in GN.
* `gr` - Options for the registration in GR.
* `hr` - Options for the registration in HR.
* `hu` - Options for the registration in HU.
* `id` - Options for the registration in ID.
* `ie` - Options for the registration in IE.
* `in` - Options for the registration in IN.
* `is` - Options for the registration in IS.
* `it` - Options for the registration in IT.
* `jp` - Options for the registration in JP.
* `ke` - Options for the registration in KE.
* `kg` - Options for the registration in KG.
* `kh` - Options for the registration in KH.
* `kr` - Options for the registration in KR.
* `kz` - Options for the registration in KZ.
* `la` - Options for the registration in LA.
* `lk` - Options for the registration in LK.
* `lt` - Options for the registration in LT.
* `lu` - Options for the registration in LU.
* `lv` - Options for the registration in LV.
* `ma` - Options for the registration in MA.
* `md` - Options for the registration in MD.
* `me` - Options for the registration in ME.
* `mk` - Options for the registration in MK.
* `mr` - Options for the registration in MR.
* `mt` - Options for the registration in MT.
* `mx` - Options for the registration in MX.
* `my` - Options for the registration in MY.
* `ng` - Options for the registration in NG.
* `nl` - Options for the registration in NL.
* `no` - Options for the registration in NO.
* `np` - Options for the registration in NP.
* `nz` - Options for the registration in NZ.
* `om` - Options for the registration in OM.
* `pe` - Options for the registration in PE.
* `ph` - Options for the registration in PH.
* `pl` - Options for the registration in PL.
* `pt` - Options for the registration in PT.
* `ro` - Options for the registration in RO.
* `rs` - Options for the registration in RS.
* `ru` - Options for the registration in RU.
* `sa` - Options for the registration in SA.
* `se` - Options for the registration in SE.
* `sg` - Options for the registration in SG.
* `si` - Options for the registration in SI.
* `sk` - Options for the registration in SK.
* `sn` - Options for the registration in SN.
* `sr` - Options for the registration in SR.
* `th` - Options for the registration in TH.
* `tj` - Options for the registration in TJ.
* `tr` - Options for the registration in TR.
* `tw` - Options for the registration in TW.
* `tz` - Options for the registration in TZ.
* `ua` - Options for the registration in UA.
* `ug` - Options for the registration in UG.
* `us` - Options for the registration in US.
* `uy` - Options for the registration in UY.
* `uz` - Options for the registration in UZ.
* `vn` - Options for the registration in VN.
* `za` - Options for the registration in ZA.
* `zm` - Options for the registration in ZM.
* `zw` - Options for the registration in ZW.

---

*Consult [api-reference.md](api-reference.md) for complete listing*