swaitsandClaude Opus 5.5
aa884d35d1
The final month takes what the months before leave, spread over its days; a disposed asset stops on its disposal day. A skipped month is caught up in the month the run is made; a reversed run un-posts its month. New schedules spread by day; equal-months schedules must start on the 1st. Amounts round to the currency's own minor unit. Kani and Lean proofs; an exhaustive search over runs, reversals and disposals. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01T3gXMVt7XJPi6ens1or9Dj
76 lines
2.0 KiB
TOML
76 lines
2.0 KiB
TOML
id = "schedule-daily-deferred-revenue"
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title = "Deferred revenue is earned by the day, to the cent"
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rule = "Revenue collected in advance for a service over time is recognized as each day of the service passes, one posting per calendar month, the last month taking what the others leave."
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status = "CHOICE"
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sources = ["ASC 606-10-25-23", "DECISION: plan/served.md D-11, D-37 (owner, 2026-10-20)"]
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tags = ["schedules", "deferred-revenue", "daily", "p3-defect-9"]
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[setup]
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currency = "USD"
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fiscal_year_start = "01-01"
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basis = "accrual"
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rounding = "half-away-from-zero"
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[[setup.accounts]]
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code = "1000"
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name = "Bank"
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type = "asset"
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[[setup.accounts]]
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code = "2400"
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name = "Deferred Revenue"
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type = "liability"
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[[setup.accounts]]
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code = "4000"
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name = "Subscription Revenue"
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type = "revenue"
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# 1,000.00 collected for service 2026-01-05 through 2026-04-04.
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[[setup.schedules]]
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id = "SUB"
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kind = "deferred_revenue"
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description = "Quarterly plan, a customer"
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total = "1000.00"
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start = "2026-01-05"
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months = 3
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convention = "daily"
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balance_account = "2400"
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pl_account = "4000"
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[[events]]
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date = "2026-01-05"
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description = "Collected a quarter up front"
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lines = [
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{ account = "1000", side = "debit", amount = "1000.00" },
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{ account = "2400", side = "credit", amount = "1000.00" },
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]
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[[events]]
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run_schedules = { through = "2026-04-30" }
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# Hand check (worked without the code): January holds 27 of its 31 days
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# (5-31); February and March are whole; April holds days 1-4 and takes the
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# rest. Cumulative at each month end: 1,000 x (27/31)/3 = 290.3226 ->
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# 290.32; 1,000 x (27/31 + 1)/3 = 623.6559 -> 623.66; 1,000 x (27/31 +
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# 2)/3 = 956.9892 -> 956.99; then 1,000.00. Months: 290.32, 333.34,
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# 333.33, 43.01.
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[[expect]]
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query = "schedule_plan"
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schedule = "SUB"
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[expect.values]
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"2026-01-31" = "290.32"
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"2026-02-28" = "333.34"
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"2026-03-31" = "333.33"
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"2026-04-30" = "43.01"
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# Earned through March: 956.99; still owed for April 1-4: 43.01.
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[[expect]]
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query = "balances"
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as_of = "2026-03-31"
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[expect.values]
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"2400" = "43.01"
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"4000" = "956.99"
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