# Adjustments

Manage manual adjustments and corrections

## Create Manual Adjustment

 - [POST /adjustments](https://docs.nelnetpay.com/apis/billing-ledger-service/adjustments/createadjustment.md): Create a manual adjustment to correct ledger entries.

Adjustment Types:
- DISCOUNT_CORRECTION - Fix discount calculation error
- FEE_CORRECTION - Adjust fee amount
- CREDIT_MEMO - Issue credit to account
- DEBIT_MEMO - Charge additional amount
- WRITE_OFF - Bad debt write-off

Authorization: Requires special permission level for manual adjustments.
All adjustments include a full audit trail.

## List Adjustments

 - [GET /adjustments](https://docs.nelnetpay.com/apis/billing-ledger-service/adjustments/listadjustments.md): List all manual adjustments with pagination and filtering

## Get Adjustment

 - [GET /adjustments/{adjustmentId}](https://docs.nelnetpay.com/apis/billing-ledger-service/adjustments/getadjustment.md): Retrieve details of a specific adjustment