This will compile, though I'm not sure it'll do everything you want - might help to see the original code you are trying to combine into one.

Option Explicit

Private Sub Worksheet_Change(ByVal Target As Range)
'For Sign In  Sheet1)

Dim Crn As Long         'Row number for CREDIT_CARD sheet
Dim Cws As Worksheet    'Worksheet CREDIT_CARD
Dim Hrn As Long         'Row number for HP_DEPOSIT sheet
Dim Hws As Worksheet    'Worksheet HP_DEPOSIT
Dim Prn As Long         'Row number for CAP_PD_DEPOSIT sheet
Dim Pws As Worksheet    'Worksheet CAP_PD_DEPOSIT
'Dim Brn As Long         'Row number for Bad_Tows sheet (Not in use yet)
'Dim Bws As Worksheet    'Worksheet Bad_Tows (Not in use yet)
'Dim Irn As Long         'Row number for 2017_Impounds sheet (Not in use yet)
'Dim Iws As Worksheet    'Worksheet 2017_Impounds (Not in use yet)
'Dim Iwb As Workbook     'Master Impound workbook path (Not in use yet)
Dim Status As String    'String for "Completed - TRACS" on Deposits reports cell "B"

Status = "Completed - TRACS"        'String for "Completed - TRACS" on Deposits reports cell "B"

Set Cws = Sheets("CREDIT_CARD")     'Worksheet CREDIT_CARD
Set Hws = Sheets("HP_DEPOSIT")      'Worksheet HP_DEPOSIT
Set Pws = Sheets("CAP_PD_DEPOSIT")  'Worksheet CAP_PD_DEPOSIT
'Set Bws = Sheets("Bad_Tows")        'Worksheet Bad_Tows (Not in use yet)
'Set Iws = Sheets("2017_Impounds")   'Worksheet 2017_Impounds (Not in use yet)
'Path for Workbook IMPOUND SPREADSHEETS all years.XLSM (Not in use yet)
'Set Iwb = Workbooks("C:\Phoenix HQ Shared\Impounds\IMPOUND SPREADSHEETS\IMPOUND SPREADSHEETS all years.xlsx") (Not in use yet)

    If Target.Cells.Count > 1 Then Exit Sub
    
    If Target.Column = 11 Then

        If Target.Value = "" Then Exit Sub

        'When entering data in a cell in SIGN_IN sheet Col K, If it has value of "RLCC" or "RPCC" then copy
        'cells "J", "I", "H", "O" from SIGN_IN to CREDIT_CARD Report Cells "A", "B", "C", "D".

        Crn = Cws.Cells(Cws.Rows.Count, "A").End(xlUp).Row + 1
        
        If Target.Value = "RLCC" Or Target.Value = "RPCC" Then
            Range("J" & Target.Row).Copy Cws.Range("A" & Crn)   'Copy SIGN_IN "J" & Paste to CREDIT_CARD Report "A" Tow Sheet #
            Range("I" & Target.Row).Copy Cws.Range("B" & Crn)   'Copy SIGN_IN "I" & Paste to CREDIT_CARD Report "B" DR #
            Range("H" & Target.Row).Copy Cws.Range("C" & Crn)   'Copy SIGN_IN "H" & Paste to CREDIT_CARD Report "C" Auth. #
            Range("O" & Target.Row).Copy Cws.Range("D" & Crn)   'Copy SIGN_IN "O" & Paste to CREDIT_CARD Report "D" CAP PD ("X") or Not ""


        End If
    End If

    'When entering data in a cell in SIGN_IN sheet Col K, If it has value of "RLMO" or "RPMO" And Range("O" & Target.Row) = "X"
    'then End If Else copy cells "I", "T", "R", "S" from SIGN_IN to HP_DEPOSIT Report Cells "A", "E", "F" enter Status String in cell "B"
    'and form date into "C".


    Hrn = Hws.Cells(Hws.Rows.Count, "A").End(xlUp).Row + 1
    
    If Target.Value = "RLMO" Or Target.Value = "RPMO" And Range("O" & Target.Row) = "X" Then
    Else
        Range("I" & Target.Row).Copy Hws.Range("A" & Hrn)   'Copy & Paste = DR # from SIGN_IN Check 1
        Range("B2").Copy Hws.Range("C" & Hrn)               'Copy & Paste = Form Date from SIGN_IN Check 1
        Hws.Range("B" & Hrn) = Status                       'Copy & Paste = Status String Check 1
        Range("T" & Target.Row).Copy Hws.Range("D" & Hrn)   'Copy & Paste = Check Amount from SIGN_IN Check 2
        Range("R" & Target.Row).Copy Hws.Range("E" & Hrn)   'Copy & Paste = Check Name from SIGN_IN Check 1
        Range("S" & Target.Row).Copy Hws.Range("F" & Hrn)   'Copy & Paste = Check # from SIGN_IN Check 1

    End If


    If Range("U" & Target.Row) = "" Then Exit Sub   'Checks for DR # in cell "U" if blank then exit sub

    'When entering data in a cell in SIGN_IN sheet Col K, If it has value of "RLMO" or "RPMO" And Range("O" & Target.Row) = "X"
    'then End If, Else copy cells "U", "X", "V", "W" from SIGN_IN to HP_DEPOSIT Report Cells "A", "E", "F" enter Status String in cell "B"
    'and form date into "C".

    Hrn = Hws.Cells(Hws.Rows.Count, "A").End(xlUp).Row + 1
    
    If Target.Value = "RLMO" Or Target.Value = "RPMO" And Range("O" & Target.Row) = "X" Then
    Else
        Range("U" & Target.Row).Copy Hws.Range("A" & Hrn)   'Copy & Paste = DR # from SIGN_IN Check 2
        Range("B2").Copy Hws.Range("C" & Hrn)               'Copy & Paste = Form Date from SIGN_IN Check 2
        Hws.Range("B" & Hrn) = Status                       'Copy & Paste = Status String Check 2
        Range("X" & Target.Row).Copy Hws.Range("D" & Hrn)   'Copy & Paste = Check Amount from SIGN_IN Check 2
        Range("V" & Target.Row).Copy Hws.Range("E" & Hrn)   'Copy & Paste = Check Name from SIGN_IN Check 2
        Range("W" & Target.Row).Copy Hws.Range("F" & Hrn)   'Copy & Paste = Check # from SIGN_IN Check 2

    End If



    If Range("Y" & Target.Row) = "" Then Exit Sub   'Checks for DR # in cell "Y" if blank then exit sub

    'When entering data in a cell in SIGN_IN sheet Col K, If it has value of "RLMO" or "RPMO" And Range("O" & Target.Row) = "X"
    'then End If, Else copy cells "Y", "AB", "Z", "AA" from SIGN_IN to HP_DEPOSIT Report Cells "A", "E", "F" enter Status String in cell "B"
    'and form date into "C".

    Hrn = Hws.Cells(Hws.Rows.Count, "A").End(xlUp).Row + 1
    
    If Target.Value = "RLMO" Or Target.Value = "RPMO" And Range("O" & Target.Row) = "X" Then
    Else
        Range("Y" & Target.Row).Copy Hws.Range("A" & Hrn)   'Copy & Paste = DR # from SIGN_IN Check 3
        Range("B2").Copy Hws.Range("C" & Hrn)               'Copy & Paste = Form Date from SIGN_IN Check 3
        Hws.Range("B" & Hrn) = Status                       'Copy & Paste = Status String Check 3
        Range("AB" & Target.Row).Copy Hws.Range("D" & Hrn)  'Copy & Paste = Check Amount from SIGN_IN Check 3
        Range("Z" & Target.Row).Copy Hws.Range("E" & Hrn)   'Copy & Paste = Check Name from SIGN_IN Check 3
        Range("AA" & Target.Row).Copy Hws.Range("F" & Hrn)  'Copy & Paste = Check # from SIGN_IN Check 3

    End If



    'When entering data in a cell in SIGN_IN sheet Col K, If it has value of "RLMO" or "RPMO" And Range("O" & Target.Row) <> "X" then copy
    'then End If, Else copy cells "I", "T", "R", "S" from SIGN_IN to CAP_PD_DEPOSIT Report Cells "A", "E", "F" enter Status String in cell "B"
    'and form date into "C".

    Prn = Pws.Cells(Pws.Rows.Count, "A").End(xlUp).Row + 1
    
    If Target.Value = "RLMO" Or Target.Value = "RPMO" And Range("O" & Target.Row) <> "X" Then
    Else
        Range("I" & Target.Row).Copy Pws.Range("A" & Prn)   'Copy & Paste = DR # from SIGN_IN Check 1
        Range("B2").Copy Pws.Range("C" & Prn)               'Copy & Paste = Form Date from SIGN_IN Check 1
        Pws.Range("B" & Prn) = Status                       'Copy & Paste = Status String Check 1
        Range("T" & Target.Row).Copy Pws.Range("D" & Prn)   'Copy & Paste = Check Amount from SIGN_IN Check 1
        Range("R" & Target.Row).Copy Pws.Range("E" & Prn)   'Copy & Paste = Check Name from SIGN_IN Check 1
        Range("S" & Target.Row).Copy Pws.Range("F" & Prn)   'Copy & Paste = Check # from SIGN_IN Check 1

    End If


    If Range("U" & Target.Row) = "" Then Exit Sub   'Checks for DR # in cell "U" if blank then exit sub

    'When entering data in a cell in SIGN_IN sheet Col K, If it has value of "RLMO" or "RPMO" And Range("O" & Target.Row) <> "X"
    'then End If, Else copy cells "U", "X", "V", "W" from SIGN_IN to CAP_PD_DEPOSIT Report Cells "A", "E", "F" enter Status String in cell "B"
    'and form date into "C".

    Prn = Pws.Cells(Pws.Rows.Count, "A").End(xlUp).Row + 1
    
    If Target.Value = "RLMO" Or Target.Value = "RPMO" And Range("O" & Target.Row) <> "X" Then
    Else
        Range("U" & Target.Row).Copy Pws.Range("A" & Prn)   'Copy & Paste DR # from SIGN_IN Check 2
        Range("B2").Copy Pws.Range("C" & Prn)               'Copy & Paste = Form Date from SIGN_IN Check 2
        Pws.Range("B" & Prn) = Status                        'Copy & Paste = Status String Check 2
        Range("X" & Target.Row).Copy Pws.Range("D" & Prn)   'Copy & Paste = From Check Amount from SIGN_IN Check 2
        Range("V" & Target.Row).Copy Pws.Range("E" & Prn)   'Copy & Paste = From Check Name from SIGN_IN Check 2
        Range("W" & Target.Row).Copy Pws.Range("F" & Prn)   'Copy & Paste = From Check # from SIGN_IN Check 2

    End If

    If Range("Y" & Target.Row) = "" Then Exit Sub   'Checks for DR # in cell "Y" if blank then exit sub

    'When entering data in a cell in SIGN_IN sheet Col K, If it has value of "RLMO" or "RPMO" And Range("O" & Target.Row) <> "X"
    'then End If, Else copy cells "Y", "AB", "Z", "AA" from SIGN_IN to CAP_PD_DEPOSIT Report Cells "A", "E", "F" enter Status String in cell "B"
    'and form date into "C".

    Prn = Pws.Cells(Pws.Rows.Count, "A").End(xlUp).Row + 1
    
    If Target.Value = "RLMO" Or Target.Value = "RPMO" And Range("O" & Target.Row) <> "X" Then
    Else
        Range("Y" & Target.Row).Copy Pws.Range("A" & Prn)   'Copy & Paste = DR # From SIGN_IN Check 3
        Range("B2").Copy Pws.Range("C" & Prn)               'Copy & Paste = Form Date from SIGN_IN Check 3
        Pws.Range("B" & Prn) = Status                        'Copy & Paste = Status String Check 3
        Range("AB" & Target.Row).Copy Pws.Range("D" & Prn)   'Copy & Paste = From Check Amount from SIGN_IN Check 3
        Range("Z" & Target.Row).Copy Pws.Range("E" & Prn)   'Copy & Paste = From Check Name from SIGN_IN Check 3
        Range("AA" & Target.Row).Copy Pws.Range("F" & Prn)   'Copy & Paste = From Check # from SIGN_IN Check 3

    End If

End Sub