diff --git a/conservancy_beancount/plugin/meta_payroll_type.py b/conservancy_beancount/plugin/meta_payroll_type.py
index 87fce09..a17260a 100644
--- a/conservancy_beancount/plugin/meta_payroll_type.py
+++ b/conservancy_beancount/plugin/meta_payroll_type.py
@@ -92,6 +92,7 @@ class TaxHook(_PayrollTypeHook):
     VALUES_ENUM = core.MetadataEnum(METADATA_KEY, [
         'CA:EI',
         'CA:PP',
+        'CA:WCB',
         'US:IL:Unemployment',
         'US:MA:Health',
         'US:MA:Unemployment',