# multicurrency_revaluation_report_handler Multicurrency Revaluation Report Custom Handler In multi-currencies environments, we need a way to control the risk related to currencies (in case some are higthly fluctuating) and, in some countries, some laws also require to create journal entries to record the provisionning of a probable future expense related to currencies. Hence, people need to create a journal entry at the beginning of a period, to make visible the probable expense in reports (and revert it at the end of the period, to recon the real gain/loss. ## Documentation Manage Unrealized Gains/Losses. - Catalog: `Odoo` - Schema: `account` The data in this table is partitioned per value of the column. This is a read-only table. The Odoo API may not support changing the data or the Invantive SQL driver for Odoo does not cover it. In the latter case, please use the table NativePlatformScalarRequests to upload data to the Odoo API.