Custody charter
Assignments belong to policy—not informal spreadsheets.
Exceptions demand signatures and replay scripts.
ERP Ledger Control · Cluster 02
Account currency is a control point—not an ISO decoration beside a GL line. At State 04 it decides how balances live inside charts: reconciliation scopes, open-item treatments, foreign-monetary populations feeding revaluation, and the forensic stories auditors replay when FX variance escalates. Treating account currency as stylistic guarantees downstream distortion invisible until close or audit depth.
Custody thesis
ERP Ledger Control Layer · AccountCcy.com
Reference posture
ERP postings combine document currencies with account assignments—finance must govern both conversations separately yet jointly.
Intercompany and shared-service models amplify drift when custody matrices lag organizational reality.
Comparison pages isolate adjacent identities so forums argue about objects—not slogans.
Operational anatomy
Authorization workflows for assignment changes, migration replay evidence, reconciliation scope definitions, and linkage between commercial obligations and ledger retention currencies.
Account currency control glossary discipline names governance expectations explicitly—not heroic month-end heroics.
Primary definition entry
Accessible anchor into account currency custody vocabulary.
Reference: What Is Account Currency?
State 04 canonical reference
Enterprise posture for account monetary state inside the chain.
Reference: Account currency state
Defined governance term
Lexical specification for account currency control discipline.
Reference: Account currency control (defined)
Versus transaction currency
Obligation denomination contrasted with ERP custody.
Reference: Account vs transaction currency
Versus settlement currency
Liquidity rails contrasted with ledger retention custody.
Reference: Account vs settlement currency
Versus ledger currency
Chart custody contrasted with measurement shell.
Reference: Account vs ledger currency
Failure anatomy
Receivables balances reconcile locally yet fail group scrutiny when custody scopes disagree with contractual denomination.
Revaluation batches ingest wrong populations because foreign versus functional assignments blurred.
Migration retrospectives lack approvals tying old assignments to restated balances—audit evidence thins exactly when regulators demand replay.
Custody interrogation
Which matrix pairs entity, account range, and custody assignment—and who certifies exceptions?
How does finance prove postings still reconcile after assignment changes retroactively?
Which reconciliation dashboard scopes strictly honor account currency—not blended FX rhetoric?
Where do commercial confirmations tie into custody assignments before auditors ask?
Cluster continuity
Reference continuity
Strengthen custody vocabulary before debating FX outputs that inherited silent fractures.
Custody charter
Exceptions demand signatures and replay scripts.
Lexical clarity
Isolate identities before merging narratives.
ERP coupling
Bypassing them trades short-term speed for long-term assurance debt.
Practical control implication
Publish assignment authority matrices; require documented replay after migrations; pair reconciliations to explicit custody scopes embedded in close checklist.
Risk if account currency stays ‘just configuration’
Teams celebrate subsystem zeros while group controllers discover unreconciled monetary identities—remediation costs spike nonlinearly.
Evidence Discipline
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Reference and educational framework only. Not accounting, audit, tax, legal, investment, or ERP implementation advice.