1.&nbsp;&nbsp;&nbsp; Go to <b>Good &amp; Services</b> &gt; <b>Transaction</b> &gt;<b> GAF Files Process.</b> The Tax Processing window appears. <br>2.&nbsp;&nbsp;&nbsp; Select <b>Year</b> and <b>Period</b>. Then <b>click, Generate button.</b>&nbsp; List of GAF file will be displayed. <br>3.&nbsp;&nbsp;&nbsp; <b>To export the GAF file </b>into<b> excel format</b>, <b>click </b>the<b> Export button</b> and <b>save the GAF file. </b><br><br>