diff --git a/centerline_width/__init__.py b/centerline_width/__init__.py
index 69405c9..923d43f 100644
--- a/centerline_width/__init__.py
+++ b/centerline_width/__init__.py
@@ -52,7 +52,7 @@
 from .channelMigration import centerlineMigrationRate
 
 # error_handling.py function calls
-from .error_handling import errrorHandlingConvertColumnsToCSV
+from .error_handling import errrorHandlingTxtToCSV
 from .error_handling import errorHandlingPlotCenterline
 from .error_handling import errorHandlingPlotCenterlineWidth
 from .error_handling import errorHandlingWidth
diff --git a/centerline_width/error_handling.py b/centerline_width/error_handling.py
index cec0f85..deca5ba 100644
--- a/centerline_width/error_handling.py
+++ b/centerline_width/error_handling.py
@@ -445,9 +445,9 @@ def errorHandlingSaveCenterlineMAT(
 
 
 # Error Handling: getCoordinatesKML.py
-def errrorHandlingConvertColumnsToCSV(txt_input: str = None,
-                                      flip_direction: bool = None) -> None:
-    # Error handling for convertColumnsToCSV()
+def errrorHandlingTxtToCSV(txt_input: str = None,
+                           flip_direction: bool = None) -> None:
+    # Error handling for txt_to_csv()
     if txt_input is None:
         raise ValueError("[txt_input]: Requires text file")
     else:
diff --git a/centerline_width/getCoordinatesKML.py b/centerline_width/getCoordinatesKML.py
index 72f5e5f..4c83678 100644
--- a/centerline_width/getCoordinatesKML.py
+++ b/centerline_width/getCoordinatesKML.py
@@ -133,8 +133,8 @@ def txt_to_csv(txt_input: str = None,
             stacklevel=2)
         txt_input = text_file
 
-    centerline_width.errrorHandlingConvertColumnsToCSV(
-        txt_input=txt_input, flip_direction=flip_direction)
+    centerline_width.errrorHandlingTxtToCSV(txt_input=txt_input,
+                                            flip_direction=flip_direction)
 
     left_rows = []
     right_rows = []
diff --git a/centerline_width/pytests/test_errorGetCoordinatesKML.py b/centerline_width/pytests/test_errorGetCoordinatesKML.py
index cc6d29b..0ee5226 100644
--- a/centerline_width/pytests/test_errorGetCoordinatesKML.py
+++ b/centerline_width/pytests/test_errorGetCoordinatesKML.py
@@ -157,3 +157,42 @@ def test_kmlToCSV_flipDirectionInvalidTypes(invalid_input, error_output):
                                     left_kml="left_kml.kml",
                                     right_kml="right_kml.kml",
                                     flip_direction=invalid_input)
+
+
+## txt_to_csv() #####################################################
+def test_txtToCSV_txtInputRequired():
+    with pytest.raises(ValueError,
+                       match=re.escape("[txt_input]: Requires text file")):
+        centerline_width.txt_to_csv(txt_input=None)
+
+
+@pytest.mark.parametrize("invalid_input, error_output",
+                         invalid_non_str_options)
+def test_txtToCSV_txtInputInvalidTypes(invalid_input, error_output):
+    with pytest.raises(
+            ValueError,
+            match=re.escape(
+                f"[txt_input]: Must be a str, current type = '{error_output}'")
+    ):
+        centerline_width.txt_to_csv(txt_input=invalid_input)
+
+
+def test_txtToCSV_textFileInvalidExtensions():
+    with pytest.raises(
+            ValueError,
+            match=re.escape(
+                "[txt_input]: Extension must be a .txt file, current extension = 'csv'"
+            )):
+        centerline_width.txt_to_csv(txt_input="csv_file.csv")
+
+
+@pytest.mark.parametrize("invalid_input, error_output",
+                         invalid_non_bool_options)
+def test_txtToCSV_flipDirectionInvalidTypes(invalid_input, error_output):
+    with pytest.raises(
+            ValueError,
+            match=re.escape(
+                f"[flip_direction]: Must be a bool, current type = '{error_output}'"
+            )):
+        centerline_width.txt_to_csv(txt_input="text_file.txt",
+                                    flip_direction=invalid_input)
diff --git a/centerline_width/pytests/test_verifyGetCoordinatesKML.py b/centerline_width/pytests/test_verifyGetCoordinatesKML.py
index 5c48054..174dd0a 100644
--- a/centerline_width/pytests/test_verifyGetCoordinatesKML.py
+++ b/centerline_width/pytests/test_verifyGetCoordinatesKML.py
@@ -199,6 +199,100 @@ def test_getCoordinatesKML_extractPointsToCSV(generate_kmlFile):
     assert list(expected_df["rlon"]) == list(kml_output_df["rlon"])
 
 
+def test_kmlToCSV_futureWarning_functionName(tmpdir, generate_kmlFile_right,
+                                             generate_kmlFile_left):
+    # Pending Deprecation: To Be Removed
+    with pytest.warns(
+            FutureWarning,
+            match=re.escape(
+                "extractPointsToTextFile() has been replaced with kml_to_csv() and will be removed in the future"
+            )):
+
+        temp_csv_file = tmpdir.join("pytest.csv")
+        centerline_width.extractPointsToTextFile(
+            left_kml=str(generate_kmlFile_left),
+            right_kml=str(generate_kmlFile_right),
+            csv_output=str(temp_csv_file))
+        expected_df = pd.DataFrame({
+            'llat': [
+                30.03758064742554, 30.03761289873068, 30.03764767910492,
+                30.03767440933011, 30.03770236278642, 30.03772919351539,
+                30.0377490549762, 30.03778301480612, 30.03781601910584,
+                30.03784317873953
+            ],
+            'llon': [
+                -92.86856870164004, -92.86854932864128, -92.86854615646304,
+                -92.86853555132092, -92.8685329553435, -92.86852225012414,
+                -92.86851215967346, -92.86850070336357, -92.86848128471485,
+                -92.86847053431237
+            ],
+            'rlat': [
+                30.03758064742554, 30.03761289873068, 30.03764767910492,
+                30.03767440933011, 30.03770236278642, 30.03772919351539,
+                30.0377490549762, 30.03778301480612, 30.03781601910584,
+                30.03784317873953
+            ],
+            'rlon': [
+                -92.86856870164004, -92.86854932864128, -92.86854615646304,
+                -92.86853555132092, -92.8685329553435, -92.86852225012414,
+                -92.86851215967346, -92.86850070336357, -92.86848128471485,
+                -92.86847053431237
+            ]
+        })
+        kml_output_df = pd.read_csv(temp_csv_file)
+        assert expected_df.columns.tolist() == kml_output_df.columns.tolist()
+        assert list(expected_df["llat"]) == list(kml_output_df["llat"])
+        assert list(expected_df["llon"]) == list(kml_output_df["llon"])
+        assert list(expected_df["rlat"]) == list(kml_output_df["rlat"])
+        assert list(expected_df["rlon"]) == list(kml_output_df["rlon"])
+
+
+def test_kmlToCSV_futureWarning_variableName(tmpdir, generate_kmlFile_right,
+                                             generate_kmlFile_left):
+    # Pending Deprecation: To Be Removed
+    with pytest.warns(
+            FutureWarning,
+            match=re.escape(
+                "text_output_name has been replaced with txt_to_csv() function and will be removed in the future"
+            )):
+        temp_txt_file = tmpdir.join("pytest.txt")
+        centerline_width.kml_to_csv(left_kml=str(generate_kmlFile_left),
+                                    right_kml=str(generate_kmlFile_right),
+                                    text_output_name=str(temp_txt_file))
+        expected_df = pd.DataFrame({
+            'llat': [
+                30.03758064742554, 30.03761289873068, 30.03764767910492,
+                30.03767440933011, 30.03770236278642, 30.03772919351539,
+                30.0377490549762, 30.03778301480612, 30.03781601910584,
+                30.03784317873953
+            ],
+            'llon': [
+                -92.86856870164004, -92.86854932864128, -92.86854615646304,
+                -92.86853555132092, -92.8685329553435, -92.86852225012414,
+                -92.86851215967346, -92.86850070336357, -92.86848128471485,
+                -92.86847053431237
+            ],
+            'rlat': [
+                30.03758064742554, 30.03761289873068, 30.03764767910492,
+                30.03767440933011, 30.03770236278642, 30.03772919351539,
+                30.0377490549762, 30.03778301480612, 30.03781601910584,
+                30.03784317873953
+            ],
+            'rlon': [
+                -92.86856870164004, -92.86854932864128, -92.86854615646304,
+                -92.86853555132092, -92.8685329553435, -92.86852225012414,
+                -92.86851215967346, -92.86850070336357, -92.86848128471485,
+                -92.86847053431237
+            ]
+        })
+        kml_output_df = pd.read_csv(temp_txt_file, sep='\\s+')
+        assert expected_df.columns.tolist() == kml_output_df.columns.tolist()
+        assert list(expected_df["llat"]) == list(kml_output_df["llat"])
+        assert list(expected_df["llon"]) == list(kml_output_df["llon"])
+        assert list(expected_df["rlat"]) == list(kml_output_df["rlat"])
+        assert list(expected_df["rlon"]) == list(kml_output_df["rlon"])
+
+
 def test_txtToCSV_futureWarning_functionName(tmpdir):
     # Pending Deprecation: To Be Removed
     with pytest.warns(