legal_holiday has definitions from the field of work
1
[ noun ] (work) authorized by law and limiting work or official business

Synonyms

national_holiday

Used in print

(Your Federal Income Tax. 1962 Edition (Revised to...)

If the last day ( due_date ) for performing any act for tax purposes , such_as filing a return or making a tax payment , etc. , falls on Saturday , Sunday , or a legal_holiday , you may perform that act on the next succeeding day which is not a Saturday , Sunday , or legal_holiday .

If the last day ( due_date ) for performing any act for tax purposes , such_as filing a return or making a tax payment , etc. , falls on Saturday , Sunday , or a legal_holiday , you may perform that act on the next succeeding day which is not a Saturday , Sunday , or legal_holiday .

*