OpenChainGraph Suite · ART-260 · Corporate Treasury STP
In-House Bank Interest Allocation
Allocates overnight interest for notional pooling (pro-rata on pool net balance) or zero-balance account (ZBA) sweep structures. Applies ACT/360, ACT/365, or 30/360 day-count. Computes per-member gross interest, withholding tax deduction, and net interest payable. OECD transfer-pricing arm’s-length rate per OECD TP Guidelines 2022 Chapter X (intra-group financial transactions). Produces an auditable IHB interest statement.
Corporate TreasuryIn-House BankOECD Transfer PricingNotional Pooling / ZBAProofs Deferred
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Pool Parameters
Arm's-length overnight / overnight-indexed rate for the pool.
Number of calendar days in the accrual period.
Pool Members (JSON Array)
Array of {member_id, balance, withholding_rate_pct (0-100)}. Positive balance = depositor; negative = borrower. Withholding rate: 0 for domestic, e.g. 15 for 15% WHT.