{
  "classification": "Synthetic independently specified arithmetic; full primary product calendar and accepted expectations. Initial80 cases predate reference code; four calendar boundary regressions were authored independently before their first execution.",
  "canonical_request": {
    "schema_version": "d30-minimum-balance-fee-v1",
    "calculation_id": "CALC-MINIMUM-EXAMPLE",
    "ledger_id": "CB-GENERAL",
    "entity_id": "CB-A",
    "account_id": "deposits_product_usd",
    "currency": "USD",
    "account_type": "liability",
    "normal_side": "credit",
    "period_start": "2026-10-01",
    "period_end": "2026-11-05",
    "knowledge_cutoff": "2026-11-05T12:00:00.000Z",
    "opened_at": "2026-09-01T00:00:00.000Z",
    "closed_at": null,
    "policy": {
      "policy_version_id": "CEDAR-MINIMUM-V1",
      "fee_kind": "minimum-balance",
      "threshold_minor": "75000",
      "fee_minor": "250",
      "allowed_low_days": "0",
      "effective_from": "2026-01-01",
      "effective_until": "2027-01-01",
      "available_at": "2025-12-31T12:00:00.000Z"
    },
    "waiver": null,
    "days": [
      {
        "date": "2026-10-01",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-02T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261001"
      },
      {
        "date": "2026-10-02",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-03T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261002"
      },
      {
        "date": "2026-10-03",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-04T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261003"
      },
      {
        "date": "2026-10-04",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-05T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261004"
      },
      {
        "date": "2026-10-05",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-06T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261005"
      },
      {
        "date": "2026-10-06",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-07T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261006"
      },
      {
        "date": "2026-10-07",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-08T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261007"
      },
      {
        "date": "2026-10-08",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-09T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261008"
      },
      {
        "date": "2026-10-09",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-10T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261009"
      },
      {
        "date": "2026-10-10",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-11T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261010"
      },
      {
        "date": "2026-10-11",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-12T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261011"
      },
      {
        "date": "2026-10-12",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-13T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261012"
      },
      {
        "date": "2026-10-13",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-14T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261013"
      },
      {
        "date": "2026-10-14",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-15T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261014"
      },
      {
        "date": "2026-10-15",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-16T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261015"
      },
      {
        "date": "2026-10-16",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-17T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261016"
      },
      {
        "date": "2026-10-17",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-18T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261017"
      },
      {
        "date": "2026-10-18",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-19T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261018"
      },
      {
        "date": "2026-10-19",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-20T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261019"
      },
      {
        "date": "2026-10-20",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-21T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261020"
      },
      {
        "date": "2026-10-21",
        "balance_minor": "100000",
        "balance_available_at": "2026-10-22T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261021"
      },
      {
        "date": "2026-10-22",
        "balance_minor": "97600",
        "balance_available_at": "2026-10-23T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261022"
      },
      {
        "date": "2026-10-23",
        "balance_minor": "97600",
        "balance_available_at": "2026-10-24T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261023"
      },
      {
        "date": "2026-10-24",
        "balance_minor": "85600",
        "balance_available_at": "2026-10-25T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261024"
      },
      {
        "date": "2026-10-25",
        "balance_minor": "85600",
        "balance_available_at": "2026-10-26T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261025"
      },
      {
        "date": "2026-10-26",
        "balance_minor": "75600",
        "balance_available_at": "2026-10-27T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261026"
      },
      {
        "date": "2026-10-27",
        "balance_minor": "75600",
        "balance_available_at": "2026-10-28T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261027"
      },
      {
        "date": "2026-10-28",
        "balance_minor": "75600",
        "balance_available_at": "2026-10-29T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261028"
      },
      {
        "date": "2026-10-29",
        "balance_minor": "75600",
        "balance_available_at": "2026-10-30T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261029"
      },
      {
        "date": "2026-10-30",
        "balance_minor": "75600",
        "balance_available_at": "2026-10-31T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261030"
      },
      {
        "date": "2026-10-31",
        "balance_minor": "75600",
        "balance_available_at": "2026-11-01T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261031"
      },
      {
        "date": "2026-11-01",
        "balance_minor": "75600",
        "balance_available_at": "2026-11-02T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261101"
      },
      {
        "date": "2026-11-02",
        "balance_minor": "75600",
        "balance_available_at": "2026-11-03T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261102"
      },
      {
        "date": "2026-11-03",
        "balance_minor": "75600",
        "balance_available_at": "2026-11-04T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261103"
      },
      {
        "date": "2026-11-04",
        "balance_minor": "75600",
        "balance_available_at": "2026-11-05T00:00:01.000Z",
        "balance_receipt_ref": "PRODUCT-DATE-20261104"
      }
    ]
  },
  "accepted_expectations": [
    {
      "id": "F01-full35-threshold-met",
      "code": "THRESHOLD_MET",
      "balance_sum_minor": "3222400",
      "minimum_balance_minor": "75600",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "644480",
        "denominator": "7"
      },
      "waiver_reason": null
    },
    {
      "id": "F02-one-low-fee",
      "code": "FEE_DUE",
      "balance_sum_minor": "3162400",
      "minimum_balance_minor": "40000",
      "low_day_count": "1",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "632480",
        "denominator": "7"
      },
      "waiver_reason": null
    },
    {
      "id": "F03-one-low-grace",
      "code": "GRACE_APPLIED",
      "balance_sum_minor": "3162400",
      "minimum_balance_minor": "40000",
      "low_day_count": "1",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "632480",
        "denominator": "7"
      },
      "waiver_reason": null
    },
    {
      "id": "F04-two-low-beyond-grace",
      "code": "FEE_DUE",
      "balance_sum_minor": "3102400",
      "minimum_balance_minor": "40000",
      "low_day_count": "2",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "88640",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F05-threshold-equality",
      "code": "THRESHOLD_MET",
      "balance_sum_minor": "1750000",
      "minimum_balance_minor": "50000",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "50000",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F06-one-unit-below",
      "code": "FEE_DUE",
      "balance_sum_minor": "1749999",
      "minimum_balance_minor": "49999",
      "low_day_count": "1",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "1749999",
        "denominator": "35"
      },
      "waiver_reason": null
    },
    {
      "id": "F07-negative-balance-valid",
      "code": "FEE_DUE",
      "balance_sum_minor": "-1",
      "minimum_balance_minor": "-1",
      "low_day_count": "1",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "-1",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F08-valid-waiver",
      "code": "WAIVER_APPLIED",
      "balance_sum_minor": "3162400",
      "minimum_balance_minor": "40000",
      "low_day_count": "1",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "632480",
        "denominator": "7"
      },
      "waiver_reason": "authorized relief"
    },
    {
      "id": "F09-all-days-within-grace",
      "code": "GRACE_APPLIED",
      "balance_sum_minor": "3222400",
      "minimum_balance_minor": "75600",
      "low_day_count": "35",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "644480",
        "denominator": "7"
      },
      "waiver_reason": null
    },
    {
      "id": "F10-zero-threshold-zero-balance",
      "code": "THRESHOLD_MET",
      "balance_sum_minor": "0",
      "minimum_balance_minor": "0",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "0",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F11-same-average-low-minimum",
      "code": "FEE_DUE",
      "balance_sum_minor": "100000",
      "minimum_balance_minor": "0",
      "low_day_count": "1",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "50000",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F12-same-average-no-low-day",
      "code": "THRESHOLD_MET",
      "balance_sum_minor": "100000",
      "minimum_balance_minor": "50000",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "50000",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F13-october-complete31",
      "code": "THRESHOLD_MET",
      "balance_sum_minor": "2920000",
      "minimum_balance_minor": "75600",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "2920000",
        "denominator": "31"
      },
      "waiver_reason": null
    },
    {
      "id": "F14-close-exact-exclusive-end",
      "code": "THRESHOLD_MET",
      "balance_sum_minor": "3222400",
      "minimum_balance_minor": "75600",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "644480",
        "denominator": "7"
      },
      "waiver_reason": null
    },
    {
      "id": "F15-negative-average-valid",
      "code": "FEE_DUE",
      "balance_sum_minor": "-200",
      "minimum_balance_minor": "-100",
      "low_day_count": "2",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "-100",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F16-maximum-positive-fee",
      "code": "FEE_DUE",
      "balance_sum_minor": "3162400",
      "minimum_balance_minor": "40000",
      "low_day_count": "1",
      "amount_minor": "999999999999999999999999999999",
      "average_balance_exact": {
        "numerator": "632480",
        "denominator": "7"
      },
      "waiver_reason": null
    },
    {
      "id": "F17-huge-exact-boundary",
      "code": "FEE_DUE",
      "balance_sum_minor": "9007199254740993",
      "minimum_balance_minor": "9007199254740993",
      "low_day_count": "1",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "9007199254740993",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "F18-waiver-BOM",
      "code": "WAIVER_APPLIED",
      "balance_sum_minor": "3162400",
      "minimum_balance_minor": "40000",
      "low_day_count": "1",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "632480",
        "denominator": "7"
      },
      "waiver_reason": "\ufeff"
    },
    {
      "id": "F18-waiver-Unicode-trim",
      "code": "WAIVER_APPLIED",
      "balance_sum_minor": "3162400",
      "minimum_balance_minor": "40000",
      "low_day_count": "1",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "632480",
        "denominator": "7"
      },
      "waiver_reason": "authorized"
    },
    {
      "id": "F18-waiver-240-astral",
      "code": "WAIVER_APPLIED",
      "balance_sum_minor": "3162400",
      "minimum_balance_minor": "40000",
      "low_day_count": "1",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "632480",
        "denominator": "7"
      },
      "waiver_reason": "\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42\ud83d\ude42"
    },
    {
      "id": "F21-waiver-precedes-threshold",
      "code": "WAIVER_APPLIED",
      "balance_sum_minor": "3222400",
      "minimum_balance_minor": "75600",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "644480",
        "denominator": "7"
      },
      "waiver_reason": "authorized relief"
    },
    {
      "id": "BOUNDARY-366-days-grace365",
      "code": "FEE_DUE",
      "balance_sum_minor": "0",
      "minimum_balance_minor": "0",
      "low_day_count": "366",
      "amount_minor": "250",
      "average_balance_exact": {
        "numerator": "0",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "BOUNDARY-366-days-grace366",
      "code": "GRACE_APPLIED",
      "balance_sum_minor": "0",
      "minimum_balance_minor": "0",
      "low_day_count": "366",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "0",
        "denominator": "1"
      },
      "waiver_reason": null
    },
    {
      "id": "BOUNDARY-year0001",
      "code": "THRESHOLD_MET",
      "balance_sum_minor": "50000",
      "minimum_balance_minor": "50000",
      "low_day_count": "0",
      "amount_minor": "0",
      "average_balance_exact": {
        "numerator": "50000",
        "denominator": "1"
      },
      "waiver_reason": null
    }
  ]
}
