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   "period": "2025-12",
   "handoff_status": "ONE_SIDED_A",
   "n_lines": 1,
   "bbl": 0.0
  },
  {
   "period": "2026-01",
   "handoff_status": "COUNTERPARTY_NOT_INGESTED",
   "n_lines": 1,
   "bbl": 1950129.0
  },
  {
   "period": "2026-01",
   "handoff_status": "ONE_SIDED_A",
   "n_lines": 2,
   "bbl": 0.0
  },
  {
   "period": "2026-02",
   "handoff_status": "COUNTERPARTY_NOT_INGESTED",
   "n_lines": 1,
   "bbl": 1875513.0
  },
  {
   "period": "2026-02",
   "handoff_status": "FACILITY_DISAGREE",
   "n_lines": 2,
   "bbl": 0.0
  },
  {
   "period": "2026-02",
   "handoff_status": "ONE_SIDED_A",
   "n_lines": 1,
   "bbl": 0.0
  },
  {
   "period": "2026-03",
   "handoff_status": "COUNTERPARTY_NOT_INGESTED",
   "n_lines": 1,
   "bbl": 2014151.0
  },
  {
   "period": "2026-03",
   "handoff_status": "FACILITY_DISAGREE",
   "n_lines": 2,
   "bbl": 0.0
  },
  {
   "period": "2026-03",
   "handoff_status": "ONE_SIDED_A",
   "n_lines": 1,
   "bbl": 0.0
  },
  {
   "period": "2026-04",
   "handoff_status": "COUNTERPARTY_NOT_INGESTED",
   "n_lines": 1,
   "bbl": 3156327.0
  },
  {
   "period": "2026-04",
   "handoff_status": "FACILITY_DISAGREE",
   "n_lines": 2,
   "bbl": 0.0
  },
  {
   "period": "2026-04",
   "handoff_status": "ONE_SIDED_A",
   "n_lines": 1,
   "bbl": 0.0
  },
  {
   "period": "2026-05",
   "handoff_status": "ONE_SIDED_A",
   "n_lines": 1,
   "bbl": 0.0
  }
 ],
 "method_mix": [
  {
   "method": "global",
   "status": "accepted",
   "n_lines": 47,
   "bbl": 35591612.0,
   "pct_bbl": 95.6441
  },
  {
   "method": "reciprocal",
   "status": "proposed",
   "n_lines": 8,
   "bbl": 1620936.0,
   "pct_bbl": 4.3559
  }
 ],
 "throughput": [
  {
   "period": "2025-01",
   "gross_in": 0.0,
   "gross_out": 2522013.0,
   "bbl_in": 0.0,
   "bbl_out": 2522013.0,
   "n_in": 0.0,
   "n_out": 3.0,
   "filers_in": 0.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-02",
   "gross_in": 0.0,
   "gross_out": 2356235.0,
   "bbl_in": 0.0,
   "bbl_out": 2356235.0,
   "n_in": 0.0,
   "n_out": 2.0,
   "filers_in": 0.0,
   "filers_out": 1.0
  },
  {
   "period": "2025-03",
   "gross_in": 389110.0,
   "gross_out": 2963302.0,
   "bbl_in": 389110.0,
   "bbl_out": 2963302.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-04",
   "gross_in": 799631.0,
   "gross_out": 3467190.0,
   "bbl_in": 799631.0,
   "bbl_out": 3467190.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-05",
   "gross_in": 0.0,
   "gross_out": 2137825.0,
   "bbl_in": 0.0,
   "bbl_out": 2137825.0,
   "n_in": 0.0,
   "n_out": 3.0,
   "filers_in": 0.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-06",
   "gross_in": 279642.0,
   "gross_out": 1581922.0,
   "bbl_in": 279642.0,
   "bbl_out": 1581922.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-07",
   "gross_in": 0.0,
   "gross_out": 2357350.0,
   "bbl_in": 0.0,
   "bbl_out": 2357350.0,
   "n_in": 0.0,
   "n_out": 3.0,
   "filers_in": 0.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-08",
   "gross_in": 0.0,
   "gross_out": 2487555.0,
   "bbl_in": 0.0,
   "bbl_out": 2487555.0,
   "n_in": 0.0,
   "n_out": 3.0,
   "filers_in": 0.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-09",
   "gross_in": 0.0,
   "gross_out": 2395820.0,
   "bbl_in": 0.0,
   "bbl_out": 2395820.0,
   "n_in": 0.0,
   "n_out": 2.0,
   "filers_in": 0.0,
   "filers_out": 1.0
  },
  {
   "period": "2025-10",
   "gross_in": 152553.0,
   "gross_out": 479572.0,
   "bbl_in": 152553.0,
   "bbl_out": 479572.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-11",
   "gross_in": 0.0,
   "gross_out": 1443683.0,
   "bbl_in": 0.0,
   "bbl_out": 1443683.0,
   "n_in": 0.0,
   "n_out": 3.0,
   "filers_in": 0.0,
   "filers_out": 2.0
  },
  {
   "period": "2025-12",
   "gross_in": 0.0,
   "gross_out": 2403025.0,
   "bbl_in": 0.0,
   "bbl_out": 2403025.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2026-01",
   "gross_in": 0.0,
   "gross_out": 1950129.0,
   "bbl_in": 0.0,
   "bbl_out": 1950129.0,
   "n_in": 0.0,
   "n_out": 3.0,
   "filers_in": 0.0,
   "filers_out": 2.0
  },
  {
   "period": "2026-02",
   "gross_in": 0.0,
   "gross_out": 1875513.0,
   "bbl_in": 0.0,
   "bbl_out": 1875513.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2026-03",
   "gross_in": 0.0,
   "gross_out": 2014151.0,
   "bbl_in": 0.0,
   "bbl_out": 2014151.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2026-04",
   "gross_in": 0.0,
   "gross_out": 3156327.0,
   "bbl_in": 0.0,
   "bbl_out": 3156327.0,
   "n_in": 1.0,
   "n_out": 3.0,
   "filers_in": 1.0,
   "filers_out": 2.0
  },
  {
   "period": "2026-05",
   "gross_in": 0.0,
   "gross_out": 0.0,
   "bbl_in": 0.0,
   "bbl_out": 0.0,
   "n_in": 0.0,
   "n_out": 1.0,
   "filers_in": 0.0,
   "filers_out": 1.0
  }
 ],
 "throughput_rule": "gross_* is every line as filed. bbl_* counts a matched handoff once, from the delivering side, with the filer's own and its parent group's transfers left out -- the figure to sum across facilities",
 "source_filings": [
  {
   "registration": "03-0117",
   "period": "2025-01"
  },
  {
   "registration": "03-0117",
   "period": "2025-03"
  },
  {
   "registration": "03-0117",
   "period": "2025-04"
  },
  {
   "registration": "03-0117",
   "period": "2025-05"
  },
  {
   "registration": "03-0117",
   "period": "2025-06"
  },
  {
   "registration": "03-0117",
   "period": "2025-07"
  },
  {
   "registration": "03-0117",
   "period": "2025-08"
  },
  {
   "registration": "03-0117",
   "period": "2025-10"
  },
  {
   "registration": "03-0117",
   "period": "2025-11"
  },
  {
   "registration": "03-0117",
   "period": "2025-12"
  },
  {
   "registration": "03-0117",
   "period": "2026-01"
  },
  {
   "registration": "03-0117",
   "period": "2026-02"
  },
  {
   "registration": "03-0117",
   "period": "2026-03"
  },
  {
   "registration": "03-0117",
   "period": "2026-04"
  },
  {
   "registration": "03-0117",
   "period": "2026-05"
  },
  {
   "registration": "03-0129",
   "period": "2025-03"
  },
  {
   "registration": "03-0129",
   "period": "2025-04"
  },
  {
   "registration": "03-0129",
   "period": "2025-06"
  },
  {
   "registration": "03-0129",
   "period": "2025-10"
  },
  {
   "registration": "03-0129",
   "period": "2025-12"
  },
  {
   "registration": "03-0129",
   "period": "2026-02"
  },
  {
   "registration": "03-0129",
   "period": "2026-03"
  },
  {
   "registration": "03-0129",
   "period": "2026-04"
  },
  {
   "registration": "03-0633",
   "period": "2025-01"
  },
  {
   "registration": "03-0633",
   "period": "2025-02"
  },
  {
   "registration": "03-0633",
   "period": "2025-03"
  },
  {
   "registration": "03-0633",
   "period": "2025-04"
  },
  {
   "registration": "03-0633",
   "period": "2025-05"
  },
  {
   "registration": "03-0633",
   "period": "2025-06"
  },
  {
   "registration": "03-0633",
   "period": "2025-07"
  },
  {
   "registration": "03-0633",
   "period": "2025-08"
  },
  {
   "registration": "03-0633",
   "period": "2025-09"
  },
  {
   "registration": "03-0633",
   "period": "2025-10"
  },
  {
   "registration": "03-0633",
   "period": "2025-11"
  },
  {
   "registration": "03-0633",
   "period": "2025-12"
  },
  {
   "registration": "03-0633",
   "period": "2026-01"
  },
  {
   "registration": "03-0633",
   "period": "2026-02"
  },
  {
   "registration": "03-0633",
   "period": "2026-03"
  },
  {
   "registration": "03-0633",
   "period": "2026-04"
  }
 ],
 "cannot": [
  {
   "field": "a throughput from any one filer's lines",
   "why": "a handoff between two held filers is on both returns. `throughput` counts it once, from the delivering side, and leaves self and intra-group lines out; `monthly` keeps every line as filed, so summing it states the same barrel twice",
   "unblocked_by": "nothing \u2014 it is what the form asks two companies to do"
  },
  {
   "field": "a coordinate for a facility with no accepted override",
   "why": "the geocoder writes proposals (t1_geo_proposal) and nothing else; a pin is an inference and only a human moves one into config/t1_facilities.yaml geo_overrides (DECISIONS.md 2.19)",
   "unblocked_by": "an accepted geo_override naming its source"
  },
  {
   "field": "a facility for an unresolved string",
   "why": "a raw facility string never becomes a node on its own; it reaches one only through the alias table or a valid R-1 id. Unresolved lines are in t1_facility_review, not here",
   "unblocked_by": "an alias in config/t1_facilities.yaml"
  },
  {
   "field": "a barrel's route inside a system",
   "why": "the T-1 loses routing inside a filer's system; tracing would be proportional mixing labelled as observation (spec \u00a710.6)",
   "unblocked_by": "nothing in this family"
  }
 ]
}