diff --git a/eng/common/scripts/ChangeLog-Operations.ps1 b/eng/common/scripts/ChangeLog-Operations.ps1
index 02f4981302466..af71628442dec 100644
--- a/eng/common/scripts/ChangeLog-Operations.ps1
+++ b/eng/common/scripts/ChangeLog-Operations.ps1
@@ -3,7 +3,7 @@
 . "${PSScriptRoot}\SemVer.ps1"
 
 $RELEASE_TITLE_REGEX = "(?<releaseNoteTitle>^\#+\s+(?<version>$([AzureEngSemanticVersion]::SEMVER_REGEX))(\s+(?<releaseStatus>\(.+\))))"
-$SECTION_HEADER_REGEX_SUFFIX = "##\s(?<sectionName>.*)"
+$SECTIONS_HEADER_REGEX = "^###+\s(?<sectionName>.*)"
 $CHANGELOG_UNRELEASED_STATUS = "(Unreleased)"
 $CHANGELOG_DATE_FORMAT = "yyyy-MM-dd"
 $RecommendedSectionHeaders = @("Features Added", "Breaking Changes", "Bugs Fixed", "Other Changes")
@@ -49,7 +49,6 @@ function Get-ChangeLogEntriesFromContent {
     $initialAtxHeader = $matches["HeaderLevel"]
   }
 
-  $sectionHeaderRegex = "^${initialAtxHeader}${SECTION_HEADER_REGEX_SUFFIX}"
   $changeLogEntries | Add-Member -NotePropertyName "InitialAtxHeader" -NotePropertyValue $initialAtxHeader
   $releaseTitleAtxHeader = $initialAtxHeader + "#"
 
@@ -68,7 +67,7 @@ function Get-ChangeLogEntriesFromContent {
       }
       else {
         if ($changeLogEntry) {
-          if ($line.Trim() -match $sectionHeaderRegex)
+          if ($line.Trim() -match $SECTIONS_HEADER_REGEX)
           {
             $sectionName = $matches["sectionName"].Trim()
             $changeLogEntry.Sections[$sectionName] = @()
@@ -137,24 +136,16 @@ function Confirm-ChangeLogEntry {
     [String]$ChangeLogLocation,
     [Parameter(Mandatory = $true)]
     [String]$VersionString,
-    [boolean]$ForRelease = $false,
-    [Switch]$SantizeEntry
+    [boolean]$ForRelease = $false
   )
 
-  $changeLogEntries = Get-ChangeLogEntries -ChangeLogLocation $ChangeLogLocation
-  $changeLogEntry = $changeLogEntries[$VersionString]
+  $changeLogEntry = Get-ChangeLogEntry -ChangeLogLocation $ChangeLogLocation -VersionString $VersionString
 
   if (!$changeLogEntry) {
     LogError "ChangeLog[${ChangeLogLocation}] does not have an entry for version ${VersionString}."
     return $false
   }
 
-  if ($SantizeEntry)
-  {
-    Remove-EmptySections -ChangeLogEntry $changeLogEntry -InitialAtxHeader $changeLogEntries.InitialAtxHeader
-    Set-ChangeLogContent -ChangeLogLocation $ChangeLogLocation -ChangeLogEntries $changeLogEntries
-  }
-
   Write-Host "Found the following change log entry for version '${VersionString}' in [${ChangeLogLocation}]."
   Write-Host "-----"
   Write-Host (ChangeLogEntryAsString $changeLogEntry)
@@ -317,11 +308,9 @@ function Set-ChangeLogContent {
 function Remove-EmptySections {
   param (
     [Parameter(Mandatory = $true)]
-    $ChangeLogEntry,
-    $InitialAtxHeader = "#"
+    $ChangeLogEntry
   )
 
-  $sectionHeaderRegex = "^${InitialAtxHeader}${SECTION_HEADER_REGEX_SUFFIX}"
   $releaseContent = $ChangeLogEntry.ReleaseContent
 
   if ($releaseContent.Count -gt 0)
@@ -329,14 +318,14 @@ function Remove-EmptySections {
     $parsedSections = $ChangeLogEntry.Sections
     $sanitizedReleaseContent = New-Object System.Collections.ArrayList(,$releaseContent)
   
-    foreach ($key in @($parsedSections.Keys)) 
+    foreach ($key in @($parsedSections.Key)) 
     {
       if ([System.String]::IsNullOrWhiteSpace($parsedSections[$key]))
       {
         for ($i = 0; $i -lt $sanitizedReleaseContent.Count; $i++)
         {
           $line = $sanitizedReleaseContent[$i]
-          if ($line -match $sectionHeaderRegex -and $matches["sectionName"].Trim() -eq $key)
+          if ($line -match $SECTIONS_HEADER_REGEX -and $matches["sectionName"].Trim() -eq $key)
           {
             $sanitizedReleaseContent.RemoveAt($i)
             while($i -lt $sanitizedReleaseContent.Count -and [System.String]::IsNullOrWhiteSpace($sanitizedReleaseContent[$i]))
@@ -351,4 +340,5 @@ function Remove-EmptySections {
     }
     $ChangeLogEntry.ReleaseContent = $sanitizedReleaseContent.ToArray()
   }
-}
\ No newline at end of file
+  return $changeLogEntry
+}
diff --git a/eng/common/scripts/Prepare-Release.ps1 b/eng/common/scripts/Prepare-Release.ps1
index 2005347822fd5..21f4f256830e6 100644
--- a/eng/common/scripts/Prepare-Release.ps1
+++ b/eng/common/scripts/Prepare-Release.ps1
@@ -184,7 +184,7 @@ else
   exit 1
 }
 
-$changelogIsValid = Confirm-ChangeLogEntry -ChangeLogLocation $packageProperties.ChangeLogPath -VersionString $newVersion -ForRelease $true -SantizeEntry
+$changelogIsValid = Confirm-ChangeLogEntry -ChangeLogLocation $packageProperties.ChangeLogPath -VersionString $newVersion -ForRelease $true
 
 if (!$changelogIsValid)
 {
diff --git a/eng/common/scripts/Update-ChangeLog.ps1 b/eng/common/scripts/Update-ChangeLog.ps1
index 6e09f369cec1b..9b9797e083a79 100644
--- a/eng/common/scripts/Update-ChangeLog.ps1
+++ b/eng/common/scripts/Update-ChangeLog.ps1
@@ -4,6 +4,7 @@
 # Version : Version to add or replace in change log
 # Unreleased: Default is true. If it is set to false, then today's date will be set in verion title. If it is True then title will show "Unreleased"
 # ReplaceLatestEntryTitle: Replaces the latest changelog entry title.
+# SanitizeEntry: Removes all empty section in the entry that is updated
 
 param (
   [Parameter(Mandatory = $true)]
@@ -13,7 +14,8 @@ param (
   [Boolean]$Unreleased = $true,
   [Boolean]$ReplaceLatestEntryTitle = $false,
   [String]$ChangelogPath,
-  [String]$ReleaseDate
+  [String]$ReleaseDate,
+  [Boolean]$SanitizeEntry = $false
 )
 Set-StrictMode -Version 3
 
@@ -106,7 +108,12 @@ if ($LatestsSorted[0] -ne $Version) {
 
 if ($ReplaceLatestEntryTitle)
 {
-    $newChangeLogEntry = New-ChangeLogEntry -Version $Version -Status $ReleaseStatus -InitialAtxHeader $ChangeLogEntries.InitialAtxHeader -Content $ChangeLogEntries[$LatestVersion].ReleaseContent
+    $entryToBeUpdated = $ChangeLogEntries[$LatestVersion]
+    if ($SanitizeEntry)
+    {
+        $entryToBeUpdated = Remove-EmptySections -ChangeLogEntry $entryToBeUpdated
+    }
+    $newChangeLogEntry = New-ChangeLogEntry -Version $Version -Status $ReleaseStatus -InitialAtxHeader $ChangeLogEntries.InitialAtxHeader -Content $entryToBeUpdated
     LogDebug "Resetting latest entry title to [$($newChangeLogEntry.ReleaseTitle)]"
     $ChangeLogEntries.Remove($LatestVersion)
     if ($newChangeLogEntry) {
@@ -122,6 +129,10 @@ elseif ($ChangeLogEntries.Contains($Version))
     LogDebug "Updating ReleaseStatus for Version [$Version] to [$($ReleaseStatus)]"
     $ChangeLogEntries[$Version].ReleaseStatus = $ReleaseStatus
     $ChangeLogEntries[$Version].ReleaseTitle = "$($ChangeLogEntries.InitialAtxHeader)# $Version $ReleaseStatus"
+    if ($SanitizeEntry)
+    {
+        $ChangeLogEntries[$Version] = Remove-EmptySections -ChangeLogEntry $ChangeLogEntries[$Version]
+    }
 }
 else
 {