diff --git a/hed/tools/remodeling/cli/run_remodel.py b/hed/tools/remodeling/cli/run_remodel.py
index 7cb7fc24a..0ba6a9262 100644
--- a/hed/tools/remodeling/cli/run_remodel.py
+++ b/hed/tools/remodeling/cli/run_remodel.py
@@ -42,7 +42,8 @@ def get_parser():
     parser.add_argument("-r", "--hed-versions", dest="hed_versions", nargs="*", default=[],
                         help="Optional list of HED schema versions used for annotation, include prefixes.")
     parser.add_argument("-s", "--save-formats", nargs="*", default=['.json', '.txt'], dest="save_formats",
-                        help="Format for saving any summaries, if any. If no summaries are to be written, use the -ns option.")
+                        help="Format for saving any summaries, if any. If no summaries are to be written," +
+                             "use the -ns option.")
     parser.add_argument("-t", "--task-names", dest="task_names", nargs="*", default=[], help="The names of the task.")
     parser.add_argument("-v", "--verbose", action='store_true',
                         help="If present, output informative messages as computation progresses.")
@@ -122,7 +123,7 @@ def run_direct_ops(dispatch, args):
 
     Parameters:
         dispatch (Dispatcher):  Controls the application of the operations and backup.
-        args (dict): Dictionary of arguments and their values.
+        args (argparse.Namespace): Dictionary of arguments and their values.
 
     """
 
diff --git a/hed/tools/remodeling/operations/base_summary.py b/hed/tools/remodeling/operations/base_summary.py
index aedb0429d..9153ed670 100644
--- a/hed/tools/remodeling/operations/base_summary.py
+++ b/hed/tools/remodeling/operations/base_summary.py
@@ -137,7 +137,10 @@ def _save_summary_files(self, save_dir, file_format, summary, individual_summari
             summary (dictionary): Dictionary of summaries (has "Dataset" and "Individual files" keys.
 
         """
-        time_stamp = '_' + get_timestamp()
+        if self.op.append_timecode:
+            time_stamp = '_' + get_timestamp()
+        else:
+            time_stamp = ''
         this_save = os.path.join(save_dir, self.op.summary_name + '/')
         os.makedirs(os.path.realpath(this_save), exist_ok=True)
         filename = os.path.realpath(os.path.join(this_save, self.op.summary_filename + time_stamp + file_format))
diff --git a/hed/tools/remodeling/operations/factor_hed_tags_op.py b/hed/tools/remodeling/operations/factor_hed_tags_op.py
index ae1f35e63..ee8cf3df1 100644
--- a/hed/tools/remodeling/operations/factor_hed_tags_op.py
+++ b/hed/tools/remodeling/operations/factor_hed_tags_op.py
@@ -6,7 +6,6 @@
 from hed.tools.remodeling.operations.base_op import BaseOp
 from hed.models.tabular_input import TabularInput
 from hed.models.sidecar import Sidecar
-from hed.models.expression_parser import QueryParser
 from hed.models.df_util import get_assembled
 from hed.tools.analysis.analysis_util import get_expression_parsers, search_strings
 
@@ -48,7 +47,7 @@ def __init__(self, parameters):
 
             KeyError   
                 - If a required parameter is missing.    
-                                
+
                 - If an unexpected parameter is provided.    
 
             TypeError   
@@ -56,9 +55,9 @@ def __init__(self, parameters):
 
             ValueError  
                 - If the specification is missing a valid operation.    
-                
+
                 - If the length of query names is not empty and not same length as queries.    
-                
+
                 - If there are duplicate query names.    
 
         """
diff --git a/hed/tools/remodeling/operations/merge_consecutive_op.py b/hed/tools/remodeling/operations/merge_consecutive_op.py
index c7acdb26d..22ba34745 100644
--- a/hed/tools/remodeling/operations/merge_consecutive_op.py
+++ b/hed/tools/remodeling/operations/merge_consecutive_op.py
@@ -38,7 +38,7 @@ def __init__(self, parameters):
             KeyError   
             - If a required parameter is missing.   
             - If an unexpected parameter is provided.   
- 
+
             TypeError   
             - If a parameter has the wrong type.   
 
diff --git a/hed/tools/remodeling/operations/number_groups_op.py b/hed/tools/remodeling/operations/number_groups_op.py
index d23b9b5dc..bc9b96033 100644
--- a/hed/tools/remodeling/operations/number_groups_op.py
+++ b/hed/tools/remodeling/operations/number_groups_op.py
@@ -1,10 +1,9 @@
 """ Implementation in progress. """
-import numpy as np
+
 from hed.tools.remodeling.operations.base_op import BaseOp
-from hed.tools.util.data_util import get_indices, tuple_to_range
-import itertools
 
-#TODO: This class is under development
+
+# TODO: This class is under development
 
 
 class NumberGroupsOp(BaseOp):
@@ -35,7 +34,8 @@ def __init__(self, parameters):
             required_missing = required.difference(set(param_to_test.keys()))
             if required_missing:
                 raise KeyError("MissingRequiredParameters",
-                               f"Specified {param_to_test} for number_rows requires parameters {list(required_missing)}")
+                               f"Specified {param_to_test} for number_rows requires parameters"
+                               f"{list(required_missing)}")
             for param_name, param_value in param_to_test.items():
                 param_type = str
                 if param_name in required:
diff --git a/hed/tools/remodeling/operations/number_rows_op.py b/hed/tools/remodeling/operations/number_rows_op.py
index 3157b7b3e..e37b180fb 100644
--- a/hed/tools/remodeling/operations/number_rows_op.py
+++ b/hed/tools/remodeling/operations/number_rows_op.py
@@ -2,7 +2,7 @@
 import numpy as np
 from hed.tools.remodeling.operations.base_op import BaseOp
 
-#TODO: This class is under development
+# TODO: This class is under development
 
 
 class NumberRowsOp(BaseOp):
diff --git a/hed/tools/remodeling/operations/remap_columns_op.py b/hed/tools/remodeling/operations/remap_columns_op.py
index 2448d45b3..3f437ff97 100644
--- a/hed/tools/remodeling/operations/remap_columns_op.py
+++ b/hed/tools/remodeling/operations/remap_columns_op.py
@@ -48,7 +48,7 @@ def __init__(self, parameters):
                 KeyError   
                     - If a required parameter is missing.    
                     - If an unexpected parameter is provided.    
- 
+
                 TypeError   
                     - If a parameter has the wrong type.   
 
diff --git a/hed/tools/remodeling/operations/summarize_column_names_op.py b/hed/tools/remodeling/operations/summarize_column_names_op.py
index d454bcc16..da3be4e52 100644
--- a/hed/tools/remodeling/operations/summarize_column_names_op.py
+++ b/hed/tools/remodeling/operations/summarize_column_names_op.py
@@ -23,6 +23,7 @@ class SummarizeColumnNamesOp(BaseOp):
             "summary_filename": str
         },
         "optional_parameters": {
+            "append_timecode": bool
         }
     }
 
@@ -46,6 +47,7 @@ def __init__(self, parameters):
         super().__init__(self.PARAMS, parameters)
         self.summary_name = parameters['summary_name']
         self.summary_filename = parameters['summary_filename']
+        self.append_timecode = parameters.get('append_timecode', False)
 
     def do_op(self, dispatcher, df, name, sidecar=None):
         """ Create factor columns corresponding to values in a specified column.
diff --git a/hed/tools/remodeling/operations/summarize_column_values_op.py b/hed/tools/remodeling/operations/summarize_column_values_op.py
index a01dfc856..64d67445f 100644
--- a/hed/tools/remodeling/operations/summarize_column_values_op.py
+++ b/hed/tools/remodeling/operations/summarize_column_values_op.py
@@ -30,8 +30,9 @@ class SummarizeColumnValuesOp(BaseOp):
             "value_columns": list
         },
         "optional_parameters": {
-            "values_per_line": int,
-            "max_categorical": int
+            "append_timecode": bool,
+            "max_categorical": int,
+            "values_per_line": int
         }
     }
 
@@ -61,6 +62,7 @@ def __init__(self, parameters):
         self.summary_filename = parameters['summary_filename']
         self.skip_columns = parameters['skip_columns']
         self.value_columns = parameters['value_columns']
+        self.append_timecode = parameters.get('append_timecode', False)
         self.max_categorical = parameters.get('max_categorical', float('inf'))
         self.values_per_line = parameters.get('values_per_line', self.VALUES_PER_LINE)
 
@@ -125,7 +127,7 @@ def get_details_dict(self, summary):
         unique_counts = [(key, len(count_dict)) for key, count_dict in this_summary['Categorical columns'].items()]
         this_summary['Categorical counts'] = dict(unique_counts)
         for key, dict_entry in this_summary['Categorical columns'].items():
-            num_disp, sorted_tuples = ColumnValueSummary.sort_dict(self, dict_entry, reverse=True)
+            num_disp, sorted_tuples = ColumnValueSummary.sort_dict(dict_entry, reverse=True)
             this_summary['Categorical columns'][key] = dict(sorted_tuples[:min(num_disp, self.op.max_categorical)])
         return this_summary
 
@@ -166,7 +168,7 @@ def _get_categorical_string(self, result, offset="", indent="   "):
         """ Return  a string with the summary for a particular categorical dictionary.
 
          Parameters:
-             cat_dict (dict): Dictionary of summary information for a particular tabular file.
+             result (dict): Dictionary of summary information for a particular tabular file.
              offset (str): String of blanks used as offset for every item
              indent (str):  String of blanks used as the additional amount to indent an item's for readability.
 
@@ -230,7 +232,8 @@ def _get_categorical_col(self, entry, count_dict, offset="", indent="   "):
         """ Return  a string with the summary for a particular categorical column.
 
          Parameters:
-             dict_entry(tuple): (Name of the column, summary dict for that column)
+             entry(tuple): (Name of the column, summary dict for that column)
+             count_dict (dict): Count of the total number of unique values indexed by the name
              offset(str): String of blanks used as offset for all items
              indent (str):  String of blanks used as the additional amount to indent for this item's readability.
 
@@ -273,6 +276,6 @@ def _get_value_string(val_dict, offset="", indent=""):
         return "\n".join(sum_list)
 
     @staticmethod
-    def sort_dict(self, count_dict, reverse=False):
+    def sort_dict(count_dict, reverse=False):
         sorted_tuples = sorted(count_dict.items(), key=lambda x: x[1][0], reverse=reverse)
         return len(sorted_tuples), sorted_tuples
diff --git a/hed/tools/remodeling/operations/summarize_definitions_op.py b/hed/tools/remodeling/operations/summarize_definitions_op.py
index 73c7d5957..aa880307f 100644
--- a/hed/tools/remodeling/operations/summarize_definitions_op.py
+++ b/hed/tools/remodeling/operations/summarize_definitions_op.py
@@ -24,6 +24,7 @@ class SummarizeDefinitionsOp(BaseOp):
             "summary_filename": str
         },
         "optional_parameters": {
+            "append_timecode": bool
         }
     }
 
@@ -49,6 +50,7 @@ def __init__(self, parameters):
         super().__init__(self.PARAMS, parameters)
         self.summary_name = parameters['summary_name']
         self.summary_filename = parameters['summary_filename']
+        self.append_timecode = parameters.get('append_timecode', False)
 
     def do_op(self, dispatcher, df, name, sidecar=None):
         """ Create factor columns corresponding to values in a specified column.
@@ -178,6 +180,7 @@ def nested_dict_to_string(data, level=1):
 
         return nested_dict_to_string(summary_dict)
 
+    @staticmethod
     def remove_description(def_entry):
         def_group = def_entry.contents.copy()
         description = ""
diff --git a/hed/tools/remodeling/operations/summarize_hed_tags_op.py b/hed/tools/remodeling/operations/summarize_hed_tags_op.py
index f44c70f21..5d58b78fd 100644
--- a/hed/tools/remodeling/operations/summarize_hed_tags_op.py
+++ b/hed/tools/remodeling/operations/summarize_hed_tags_op.py
@@ -34,6 +34,7 @@ class SummarizeHedTagsOp(BaseOp):
             "tags": dict
         },
         "optional_parameters": {
+            "append_timecode": bool,
             "expand_context": bool
         }
     }
@@ -59,6 +60,7 @@ def __init__(self, parameters):
         self.summary_name = parameters['summary_name']
         self.summary_filename = parameters['summary_filename']
         self.tags = parameters['tags']
+        self.append_timecode = parameters.get('append_timecode', False)
         self.expand_context = parameters.get('expand_context', False)
 
     def do_op(self, dispatcher, df, name, sidecar=None):
diff --git a/hed/tools/remodeling/operations/summarize_hed_type_op.py b/hed/tools/remodeling/operations/summarize_hed_type_op.py
index 4cbb96675..1a8c51211 100644
--- a/hed/tools/remodeling/operations/summarize_hed_type_op.py
+++ b/hed/tools/remodeling/operations/summarize_hed_type_op.py
@@ -31,6 +31,7 @@ class SummarizeHedTypeOp(BaseOp):
             "type_tag": str
         },
         "optional_parameters": {
+            "append_timecode": bool
         }
     }
 
@@ -55,6 +56,7 @@ def __init__(self, parameters):
         self.summary_name = parameters['summary_name']
         self.summary_filename = parameters['summary_filename']
         self.type_tag = parameters['type_tag'].lower()
+        self.append_timecode = parameters.get('append_timecode', False)
 
     def do_op(self, dispatcher, df, name, sidecar=None):
         """ Summarize a specified HED type variable such as Condition-variable .
diff --git a/hed/tools/remodeling/operations/summarize_hed_validation_op.py b/hed/tools/remodeling/operations/summarize_hed_validation_op.py
index f395e837e..0633c5b57 100644
--- a/hed/tools/remodeling/operations/summarize_hed_validation_op.py
+++ b/hed/tools/remodeling/operations/summarize_hed_validation_op.py
@@ -24,10 +24,11 @@ class SummarizeHedValidationOp(BaseOp):
         "operation": "summarize_hed_validation",
         "required_parameters": {
             "summary_name": str,
-            "summary_filename": str,
-            "check_for_warnings": bool
+            "summary_filename": str 
         },
         "optional_parameters": {
+            "append_timecode": bool,
+            "check_for_warnings": bool
         }
     }
 
@@ -51,7 +52,8 @@ def __init__(self, parameters):
         super().__init__(self.PARAMS, parameters)
         self.summary_name = parameters['summary_name']
         self.summary_filename = parameters['summary_filename']
-        self.check_for_warnings = parameters['check_for_warnings']
+        self.append_timecode = parameters.get('append_timecode', False)
+        self.check_for_warnings = parameters.get('check_for_warnings', False)
 
     def do_op(self, dispatcher, df, name, sidecar=None):
         """ Validate the dataframe with the accompanying sidecar, if any.
@@ -220,7 +222,7 @@ def format_error(error):
         HedValidationSummary.update_error_location(error_locations, "row", "ec_row", error)
         HedValidationSummary.update_error_location(error_locations, "column", "ec_column", error)
         HedValidationSummary.update_error_location(error_locations, "sidecar column",
-                                                          "ec_sidecarColumnName", error)
+                                                   "ec_sidecarColumnName", error)
         HedValidationSummary.update_error_location(error_locations, "sidecar key", "ec_sidecarKeyName", error)
         location_str = ",".join(error_locations)
         if location_str:
diff --git a/hed/tools/remodeling/operations/summarize_sidecar_from_events_op.py b/hed/tools/remodeling/operations/summarize_sidecar_from_events_op.py
index dc68bb065..b191f0525 100644
--- a/hed/tools/remodeling/operations/summarize_sidecar_from_events_op.py
+++ b/hed/tools/remodeling/operations/summarize_sidecar_from_events_op.py
@@ -28,6 +28,7 @@ class SummarizeSidecarFromEventsOp(BaseOp):
             "value_columns": list,
         },
         "optional_parameters": {
+            "append_timecode": bool
         }
     }
 
@@ -54,6 +55,7 @@ def __init__(self, parameters):
         self.summary_filename = parameters['summary_filename']
         self.skip_columns = parameters['skip_columns']
         self.value_columns = parameters['value_columns']
+        self.append_timecode = parameters.get('append_timecode', False)
 
     def do_op(self, dispatcher, df, name, sidecar=None):
         """ Create factor columns corresponding to values in a specified column.
diff --git a/tests/tools/remodeling/operations/test_base_summary.py b/tests/tools/remodeling/operations/test_base_summary.py
index 3dc2d10fc..5faed6467 100644
--- a/tests/tools/remodeling/operations/test_base_summary.py
+++ b/tests/tools/remodeling/operations/test_base_summary.py
@@ -12,7 +12,9 @@ class TestOp(BaseOp):
             "summary_name": str,
             "summary_filename": str
         },
-        "optional_parameters": {}
+        "optional_parameters": {
+            "append_timecode": bool
+        }
     }
 
     SUMMARY_TYPE = "test_sum"
@@ -21,6 +23,7 @@ def __init__(self, parameters):
         super().__init__(self.PARAMS, parameters)
         self.summary_name = parameters['summary_name']
         self.summary_filename = parameters['summary_filename']
+        self.append_timecode = parameters.get('append_timecode', False)
 
 
 class TestSummary(BaseSummary):