diff --git a/App/DomainModels/PurpleEnvelopeReportHelper.asp b/App/DomainModels/PurpleEnvelopeReportHelper.asp
index 12766dd..6c08273 100644
--- a/App/DomainModels/PurpleEnvelopeReportHelper.asp
+++ b/App/DomainModels/PurpleEnvelopeReportHelper.asp
@@ -81,12 +81,11 @@ Class PurpleEnvelopeReportHelper_Class
 	End Function
 
 	Public Function BuildBallotRangesWithMissing(ByVal rs)
-		' Groups raw PRECINCT/BALLOT_NUMBER rows by precinct, extracts last 4 digits of
-		' the numeric portion (matching the PowerShell InkjetRecords analysis script),
-		' computes min/max and any missing numbers in that range, then returns rows
-		' sorted by precinct in descending order.
+		' Groups raw PRECINCT/BALLOT_NUMBER rows by precinct, strips non-digits from each
+		' ballot number, computes min/max and any missing numbers in that range, then
+		' returns rows sorted by precinct in descending order.
 		dim precinctNums : set precinctNums = CreateObject("Scripting.Dictionary")
-		dim precinct, rawNum, digits, i, ch, last4Str
+		dim precinct, rawNum, digits, i, ch
 
 		Do Until rs.EOF
 			precinct = Trim(rs("PRECINCT") & "")
@@ -98,12 +97,11 @@ Class PurpleEnvelopeReportHelper_Class
 				If ch >= "0" And ch <= "9" Then digits = digits & ch
 			Next
 
-			If Len(digits) >= 4 Then
-				last4Str = Mid(digits, Len(digits) - 3, 4)
+			If Len(digits) > 0 Then
 				If precinctNums.Exists(precinct) Then
-					precinctNums(precinct) = precinctNums(precinct) & "," & last4Str
+					precinctNums(precinct) = precinctNums(precinct) & "," & digits
 				Else
-					precinctNums.Add precinct, last4Str
+					precinctNums.Add precinct, digits
 				End If
 			End If
 			rs.MoveNext