curl --request POST \
--url 'https://sandbox.rollfi.xyz/payroll#addPayrollTaxExemption' \
--header 'Authorization: Basic <encoded-value>' \
--header 'Content-Type: application/json' \
--data '
{
"method": "addPayrollTaxExemption",
"companyId": "ECF1B47E-108F-45C0-A520-6A128A727B04",
"userId": "33820169-85C2-482A-BCCF-B2281419E96E",
"taxName": "WA - State paid family medical leave ER",
"exemptionEffectiveStartDate": "2026-02-30",
"exemptionEffectiveEndDate": "2025-12-31",
"exemptReason": "Employer claimed exempt on W-4",
"exemptConfirmation": true,
"fileName": "tax.pdf",
"fileBase64": "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"
}
'