Credit Memo Rate

Credit Memo Rate: Percentage of invoices requiring credit memos.

Formula

Credit Memo Rate = Credit memos issued / Total invoices × 100

Computable definition

The canonical formula in the GASP formula grammar. The MCP server compiles it to SQL over the datasets listed below.

count_distinct(field.invoice_id where in_period(field.invoice_date) and field.credit_memo_count > 0) / count_distinct(field.invoice_id where in_period(field.invoice_date))

Unit: percent (the formula yields an unscaled ratio)

Data requirements

Grain: Per event · Frequency: Per transaction · Aggregation: event · Staged: no · Main source: Billing.

Field	Dataset	Type
`credit_memo_count`	invoice	integer
`invoice_date`	invoice	date
`invoice_id`	invoice	string
`snapshot_date`	invoice	date

Example SQL (Postgres)

SELECT (CAST((SELECT COUNT(DISTINCT invoice_id) FROM invoice WHERE snapshot_date = :period_end AND ((invoice_date >= :period_start AND invoice_date <= :period_end) AND credit_memo_count > 0)) AS DOUBLE PRECISION) / NULLIF((SELECT COUNT(DISTINCT invoice_id) FROM invoice WHERE snapshot_date = :period_end AND (invoice_date >= :period_start AND invoice_date <= :period_end)), 0)) AS credit_memo_rate

From an agent: with the GASP MCP server, call lookup_metric({ "name": "Credit Memo Rate" }) or generate_query({ "metric": "Credit Memo Rate", "adapter": "<your adapter JSON>" }).

What It Tells You

Billing errors and adjustments.

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