dl class="py function">
<dt class="sig sig-object py" id="srd.Person.attach_inc_work_month">
<span class="sig-prename descclassname"><span class="pre">srd.Person.</span></span><span class="sig-name descname"><span class="pre">attach_inc_work_month</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">self</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">earn</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">s