<li>recur - recurring fee
<li>sdate - starting date
<li>edate - ending date
+ <li>itemdesc - Line item description (currently used only when pkgnum is 0)
</ul>
<li><a name="cust_credit" href="man/FS/cust_credit.html">cust_credit</a> - Credits. The equivalent of a negative <a href="#cust_bill">cust_bill</a> record.
<ul>
<li>tax - % rate
<li>taxclass
<li>exempt_amount
+ <li>taxname - if defined, printed on invoices instead of "Tax"
</ul>
<li><a name="cust_tax_exempt" href="man/FS/cust_tax_exempt.html">cust_tax_exempt</a> - Tax exemption record
<ul>