I am aware of no federal requirement. Many times this is brought up and the answers are either state laws prevail, or urban myths of "I was always told...". I haven't ever been given a cite if there is a national/federal requirement. The problem is, your cash letters and Reg. CC holds may not take the same holiday and you are still responsible.
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AndyZ CRCM
My opinions are not necessarily my employers.
R+R-R=R+R
Rules and Regs minus Relationships equals Resentment and Rebellion. John Maxwell