Which transport and format rules apply beyond the minimum?

TLS 1.2 minimum
HSTS or PFS can be added.
HTTP 1.1 minimum
A more recent version is allowed.
Dates
The creator chooses the time zone, with UTC recommended, and the precision.

In STET 1.6.3: Part 1, §3.9 STET PSD2 API technical summary, p. 59
Bank side: Accept any date that complies with ISO 8601 and RFC 3339.
TPP side: The same rule applies the other way round: parse the bank's dates leniently.

The entry as stored

{
  "id": "OPT-OPS-004",
  "edition": "1.6.3",
  "chooser": "both",
  "title": {
    "fr": "Transport et formats de date",
    "en": "Transport and date formats",
    "es": "Transporte y formatos de fecha",
    "pt-br": "Transporte e formatos de data"
  },
  "question": {
    "fr": "Quelles règles de transport et de format s'appliquent au-delà du minimum ?",
    "en": "Which transport and format rules apply beyond the minimum?",
    "es": "¿Qué reglas de transporte y de formato se aplican más allá del mínimo?",
    "pt-br": "Quais regras de transporte e de formato se aplicam além do mínimo?"
  },
  "options": [
    {
      "label": {
        "fr": "TLS 1.2 minimum",
        "en": "TLS 1.2 minimum",
        "es": "TLS 1.2 como mínimo",
        "pt-br": "TLS 1.2 no mínimo"
      },
      "text": {
        "fr": "HSTS ou PFS possibles en plus.",
        "en": "HSTS or PFS can be added.",
        "es": "Se pueden añadir HSTS o PFS.",
        "pt-br": "HSTS ou PFS são possíveis como complemento."
      }
    },
    {
      "label": {
        "fr": "HTTP 1.1 minimum",
        "en": "HTTP 1.1 minimum",
        "es": "HTTP 1.1 como mínimo",
        "pt-br": "HTTP 1.1 no mínimo"
      },
      "text": {
        "fr": "Une version plus récente est permise.",
        "en": "A more recent version is allowed.",
        "es": "Se permite una versión más reciente.",
        "pt-br": "Uma versão mais recente é permitida."
      }
    },
    {
      "label": {
        "fr": "Dates",
        "en": "Dates",
        "es": "Fechas",
        "pt-br": "Datas"
      },
      "text": {
        "fr": "Le créateur choisit son fuseau, UTC recommandé, et sa précision.",
        "en": "The creator chooses the time zone, with UTC recommended, and the precision.",
        "es": "Quien genera la fecha elige la zona horaria (se recomienda UTC) y la precisión.",
        "pt-br": "Quem gera a data escolhe o fuso horário, com UTC recomendado, e a precisão."
      }
    }
  ],
  "stet": {
    "sections": [
      {
        "part": "framework",
        "section": "3.9",
        "page": 59
      }
    ],
    "openapi": [],
    "flows": [],
    "changes": [],
    "remark": null
  },
  "aspsp": {
    "fr": "Accepter toute date conforme à ISO 8601 et à la RFC 3339.",
    "en": "Accept any date that complies with ISO 8601 and RFC 3339.",
    "es": "Aceptar cualquier fecha conforme a ISO 8601 y a la RFC 3339.",
    "pt-br": "Aceitar qualquer data conforme a ISO 8601 e a RFC 3339."
  },
  "tpp": {
    "fr": "Même règle dans l'autre sens : parser les dates de la banque de façon tolérante.",
    "en": "The same rule applies the other way round: parse the bank's dates leniently.",
    "es": "La misma regla en sentido contrario: parsear las fechas del banco de forma tolerante.",
    "pt-br": "A mesma regra no sentido inverso: fazer o parse das datas do banco de forma tolerante."
  },
  "regulation": null,
  "note": null,
  "production": null,
  "verifiedAt": "2026-10-19"
}

All options

The options