Garnishments issued in Quebec use different minimum subsistence rules depending on whether their effective from date is before or after January 1, 2016.
When a garnishment has an effective from date after January 1, 2016, and you select Apply Minimum Subsistence Rules in the Apply Subsistence Rule drop-down list in the Order Details section of the garnishment, you need to select Amount plus Percentage in the Minimum Subsistence Rule drop-down list.
Conversely, if the garnishment has a start date on or before January 1, 2016, you need to select the QC: 50% of Net Pay option.
When you save the garnishment, the application validates that the correct minimum subsistence rule is selected.
For a full description of the changes to the garnishment formula rates and factors, see the Revenu Québec site: http://www.revenuquebec.ca/en/pensionsalimentaires/pension/montant/retenir.aspx
For work charts and a description of calculating the employee's seizable income, see the following page on the Revenu Québec site: http://www.revenuquebec.ca/en/sepf/formulaires/per/per-6895.aspx
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