Similarly office employees of retail businesses who regularly and
recurrently check records of and make payments for goods shipped to
their employer from outside of the State, or regularly and recurrently
keep records of or otherwise work on the accounts of their employer's
out-of-State customers, or who regularly and recurrently prepare or mail
letters, checks, reports or other documents to out-of-State points, are
engaged both in commerce and in the production of goods for commerce
within the meaning of the Act. Likewise, timekeepers who regularly and
recurrently prepare and maintain payrolls for and pay employees who are
engaged in commerce or in the production of goods for commerce are
themselves engaged in covered activities.