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diff --git a/docs/build/doctrees/environment.pickle b/docs/build/doctrees/environment.pickle
index 185fb8c..694585f 100644
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diff --git a/docs/build/html/TD1.html b/docs/build/html/TD1.html
index 1763aa2..4a5abf0 100644
--- a/docs/build/html/TD1.html
+++ b/docs/build/html/TD1.html
@@ -5,7 +5,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="viewport" content="width=device-width, initial-scale=1" />
 
-    <title>8. TD1 &#8212; 🍁 Payroll Administration Fall 2025 documentation</title>
+    <title>9. TD1 &#8212; 🍁 Payroll Administration Fall 2025 documentation</title>
     <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=03e43079" />
     <link rel="stylesheet" type="text/css" href="_static/classic.css?v=2bf1fcf8" />
     
@@ -15,8 +15,8 @@
     
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
-    <link rel="next" title="9. CALCULATING NET PAY" href="calculating-net-pay.html" />
-    <link rel="prev" title="7. REVIEW QUESTIONS" href="review_questions.html" /> 
+    <link rel="next" title="10. CALCULATING NET PAY" href="calculating-net-pay.html" />
+    <link rel="prev" title="8. REVIEW QUESTIONS" href="review_questions.html" /> 
   </head><body>
     <div class="related" role="navigation" aria-label="Related">
       <h3>Navigation</h3>
@@ -25,13 +25,13 @@
           <a href="genindex.html" title="General Index"
              accesskey="I">index</a></li>
         <li class="right" >
-          <a href="calculating-net-pay.html" title="9. CALCULATING NET PAY"
+          <a href="calculating-net-pay.html" title="10. CALCULATING NET PAY"
              accesskey="N">next</a> |</li>
         <li class="right" >
-          <a href="review_questions.html" title="7. REVIEW QUESTIONS"
+          <a href="review_questions.html" title="8. REVIEW QUESTIONS"
              accesskey="P">previous</a> |</li>
         <li class="nav-item nav-item-0"><a href="index.html">🍁 Payroll Administration Fall 2025 documentation</a> &#187;</li>
-        <li class="nav-item nav-item-this"><a href=""><span class="section-number">8. </span>TD1</a></li> 
+        <li class="nav-item nav-item-this"><a href=""><span class="section-number">9. </span>TD1</a></li> 
       </ul>
     </div>  
 
@@ -41,9 +41,9 @@
           <div class="body" role="main">
             
   <section id="td1">
-<h1><span class="section-number">8. </span>TD1<a class="headerlink" href="#td1" title="Link to this heading">¶</a></h1>
+<h1><span class="section-number">9. </span>TD1<a class="headerlink" href="#td1" title="Link to this heading">¶</a></h1>
 <section id="td1-2025-personal-tax-credits-return">
-<h2><span class="section-number">8.1. </span>TD1 - 2025 Personal Tax Credits Return<a class="headerlink" href="#td1-2025-personal-tax-credits-return" title="Link to this heading">¶</a></h2>
+<h2><span class="section-number">9.1. </span>TD1 - 2025 Personal Tax Credits Return<a class="headerlink" href="#td1-2025-personal-tax-credits-return" title="Link to this heading">¶</a></h2>
 <table class="docutils align-default">
 <tbody>
 <tr class="row-odd"><td><p>Last name</p></td>
@@ -164,8 +164,8 @@ this amount to determine the amount of your tax deductions. ^</p>
   <div>
     <h3><a href="index.html">Table of Contents</a></h3>
     <ul>
-<li><a class="reference internal" href="#">8. TD1</a><ul>
-<li><a class="reference internal" href="#td1-2025-personal-tax-credits-return">8.1. TD1 - 2025 Personal Tax Credits Return</a></li>
+<li><a class="reference internal" href="#">9. TD1</a><ul>
+<li><a class="reference internal" href="#td1-2025-personal-tax-credits-return">9.1. TD1 - 2025 Personal Tax Credits Return</a></li>
 </ul>
 </li>
 </ul>
@@ -174,12 +174,12 @@ this amount to determine the amount of your tax deductions. ^</p>
   <div>
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     <p class="topless"><a href="review_questions.html"
-                          title="previous chapter"><span class="section-number">7. </span>REVIEW QUESTIONS</a></p>
+                          title="previous chapter"><span class="section-number">8. </span>REVIEW QUESTIONS</a></p>
   </div>
   <div>
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     <p class="topless"><a href="calculating-net-pay.html"
-                          title="next chapter"><span class="section-number">9. </span>CALCULATING NET PAY</a></p>
+                          title="next chapter"><span class="section-number">10. </span>CALCULATING NET PAY</a></p>
   </div>
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     <h3>This Page</h3>
@@ -209,13 +209,13 @@ this amount to determine the amount of your tax deductions. ^</p>
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              >index</a></li>
         <li class="right" >
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+          <a href="calculating-net-pay.html" title="10. CALCULATING NET PAY"
              >next</a> |</li>
         <li class="right" >
-          <a href="review_questions.html" title="7. REVIEW QUESTIONS"
+          <a href="review_questions.html" title="8. REVIEW QUESTIONS"
              >previous</a> |</li>
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-        <li class="nav-item nav-item-this"><a href=""><span class="section-number">8. </span>TD1</a></li> 
+        <li class="nav-item nav-item-this"><a href=""><span class="section-number">9. </span>TD1</a></li> 
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