diff --git a/data/migrate/Errors-Backfilling.csv b/data/migrate/Errors-Backfilling.csv
index 7d2b702d..bfc0b12a 100755
--- a/data/migrate/Errors-Backfilling.csv
+++ b/data/migrate/Errors-Backfilling.csv
@@ -125,4 +125,4 @@ Error Code,Error Type,Message Template,Notes
 408,Warning,New station name added
 409,Warning,New contribution added
 410,Error,Data file failed to validate
-1000,Error,Unassigned error message
\ No newline at end of file
+1000,Error,Unassigned error message
diff --git a/woudc_data_registry/controller.py b/woudc_data_registry/controller.py
index c05d3763..bed26164 100644
--- a/woudc_data_registry/controller.py
+++ b/woudc_data_registry/controller.py
@@ -65,7 +65,7 @@
 
 from woudc_data_registry.generate_metadata import (
     update_extents,
-    update_data_submission_ranges)
+    update_date_submission_ranges)
 from woudc_data_registry.models import Contributor, DataRecord
 from woudc_data_registry.report import OperatorReport, RunReport, EmailSummary
 from woudc_data_registry.search import SearchIndex
@@ -240,6 +240,7 @@ def ingest(ctx, source, reports_dir, lax, bypass, verbosity):
 
     orchestrate(source, reports_dir, metadata_only=lax, bypass=bypass)
     update_extents()
+    update_date_submission_ranges()
 
 
 @click.command()
@@ -389,12 +390,11 @@ def gather(ctx, path, verbosity):
 def update_date_ranges(cntx, models, verbosity):
     """ update the start and end dates of the contributors, instruments,
         stations, and deployments table from all data submissions"""
-    registry = Registry()
     if models is not None:  # update the specified tables
         tables = [model.strip() for model in models.split(',')]
-        update_data_submission_ranges(registry, tables)
+        update_date_submission_ranges(tables)
     else:
-        update_data_submission_ranges(registry)
+        update_date_submission_ranges()
 
 
 data.add_command(ingest)
diff --git a/woudc_data_registry/generate_metadata.py b/woudc_data_registry/generate_metadata.py
index 4f0bdd1a..2a118eec 100644
--- a/woudc_data_registry/generate_metadata.py
+++ b/woudc_data_registry/generate_metadata.py
@@ -521,13 +521,14 @@ def update_extents():
     return True
 
 
-def update_data_submission_ranges(registry, tables=None):
+def update_date_submission_ranges(tables=None):
     """
     Update date ranges for each station, instrument, contributor, and
     deployment of the data submission
 
     :returns: void
     """
+    registry = Registry()
 
     [
         Contributor, Deployment, Station, DataRecord, Instrument
diff --git a/woudc_data_registry/tests/config/all_errors.csv b/woudc_data_registry/tests/config/all_errors.csv
deleted file mode 100644
index 9e7a9e19..00000000
--- a/woudc_data_registry/tests/config/all_errors.csv
+++ /dev/null
@@ -1,121 +0,0 @@
-Error Code,Error Type,Message Template,Notes
-1,Error,Not a text file
-2,Error,No core metadata tables found. Not an Extended CSV file
-3,Error,Missing required table #{table}
-4,Error,Excess table #{table} does not belong in {dataset} file
-5,Error,Missing required field #{table}.{field}
-6,Error,Excess field {field} does not belong in table {table}
-7,Error,Required field #{table}.{field} is null or empty
-8,Error,Optional field #{table}.{field} is null or empty
-9,Error,Table #{table} has no fields
-10,Error,Table #{table} has no fields,Placeholder for optional-table-specific error
-11,Error,Required table #{table} contains no data
-12,Error,Optional table #{table} contains no data
-13,Error,No non-core data tables found
-14,Error,Unexpected empty line between table header and fields
-15,Error,Unrecognized data {row}
-16,Error,Improper delimiter used '{separator}' corrected to '\,' (comma)
-20,Error,#{table} field {oldfield} capitalization should be {newfield}
-21,Error,#{table} corrected to {newtable} using aliases
-22,Error,#{table} field {oldfield} corrected to {newfield} using aliases
-23,Error,#{table}.{field} value corrected to {newvalue} using aliases
-25,Error,#{table} row has more values than #{table} has columns
-26,Error,Fewer than minimum {bound} occurrences of table #{table} found
-27,Error,More than maximum {bound} occurrences of table #{table} found
-28,Error,Fewer than minimum {bound} number of rows in table #{table}
-29,Error,More than maximum {bound} number of rows in table #{table}
-30,Error,#{table}.Time separator '{separator}' corrected to ':' (colon)
-31,Error,Failed to parse #{table}.Time {component}: contains invalid characters
-32,Error,#{table}.Time corrected from 12-hour clock to 24-hour YYYY-MM-DD format
-33,Error,#{table}.Time {component} is not within allowable range [{lower}]-[{upper}]
-34,Error,#{table}.Date separator '{separator}' corrected to '-' (hyphen)
-35,Error,#{table}.Date not in YYYY-MM-DD format: missing separators
-36,Error,#{table}.Date is incomplete
-37,Error,#{table}.Date not in YYYY-MM-DD format: too many separators
-38,Error,Failed to parse #{table}.Date {component}: contains invalid characters
-39,Error,#{table}.Date {component} is not within allowable range [{lower}]-[{upper}],Reserved for year and month components
-40,Error,#{table}.Date day is not within allowable range [{lower}]-[{upper}]
-41,Error,#{table}.UTCOffset separator '{separator}' corrected to ':' (colon)
-42,Error,#{table}.UTCOffset {component} is less than 2 digits long
-43,Error,#{table}.UTCOffset {component} is missing\, default value is '00' (zero)
-44,Error,Missing sign in #{table}.UTCOffset\, default '+' (plus)
-45,Error,Invalid sign in #{table}.UTCOffset\, replacing with '{sign}'
-46,Error,#{table}.UTCOffset is a series of zeroes\, should be '+00:00:00'
-47,Error,Failed to parse #{table}.UTCOffset: contains invalid characters
-50,Error,Missing #CONTENT.Class\, default is 'WOUDC'
-51,Error,#CONTENT.Class {value} failed to validate against registry
-52,Error,#CONTENT.Category {value} failed to validate against registry
-53,Error,#CONTENT.Level should be {value} according to present tables
-54,Error,#CONTENT.Level {oldvalue} should be a decimal number ({newvalue})
-55,Error,Failed to parse #CONTENT.Level: contains invalid characters
-56,Error,Unknown #CONTENT.Level for dataset {dataset}
-57,Error,#CONTENT.Form {oldvalue} should be integral ({newvalue})
-58,Error,Failed to parse #CONTENT.Form: contains invalid characters
-59,Error,Cannot resolve missing or invalid #CONTENT.Form
-60,Error,Unknown #CONTENT.Form for dataset {dataset} and level {level}
-61,Error,Cannot assess expected table set: #CONTENT.{field} unknown
-62,Error,Missing #DATA_GENERATION.Date\, defaulting to processing date
-63,Error,Missing #DATA_GENERATION.Version\, defaulting to {default}
-64,Error,#DATA_GENERATION.Version is not within allowable range [{lower}]-[{upper}]
-65,Error,#DATA_GENERATION.Version does not have exactly decimal place
-66,Error,Failed to parse #DATA_GENERATION.Version: contains invalid characters
-67,Error,#DATA_GENERATION.Agency failed to validate against registry
-70,Error,#PLATFORM.ID is not 3 digits long
-71,Error,#PLATFORM.ID not found in registry
-72,Error,#PLATFORM.Type in file does not match registry
-73,Error,#PLATFORM.Name in file does not match registry
-74,Error,#PLATFORM.Country in file does not match registry
-75,Error,Ship #PLATFORM.Country should be 'XY' to meet ISO-3166 standards
-76,Error,Failed to parse #LOCATION.{field}: contains invalid characters,Reserved for fields Latitude and Longitude
-77,Error,Failed to parse #LOCATION.Height: contains invalid characters
-78,Error,#LOCATION.{field} is not within allowable range [{lower}]-[{upper}],Reserved for fields Latitude and Longitude
-79,Error,#LOCATION.Height is not within allowable range [{lower}]-[{upper}]
-80,Error,#LOCATION.{field} in file does not match registry,Reserved for fields Latitude and Longitude
-81,Error,#LOCATION.Height in file does not match registry
-82,Error,Null value found for #INSTRUMENT.Name
-83,Error,Null value found for #INSTRUMENT.Model
-84,Error,Null value found for #INSTRUMENT.Number
-85,Error,#INSTRUMENT.Name not found in registry
-86,Error,#INSTRUMENT.Model not found in registry
-87,Error,Instrument failed to validate against registry
-88,Error,Deployment {ident} not found in registry
-89,Error,Failed to parse #{table}.{field} due to errors: {reason}
-90,Error,Inconsistent Time values between #TIMESTAMP tables
-91,Error,#{table}.Date cannot be more recent than #DATA_GENERATION.Date,Reserved for TIMESTAMP tables
-92,Error,#{table}.Date cannot be more recent than #DATA_GENERATION.Date,Reserved for non-TIMESTAMP tables
-93,Error,First #TIMESTAMP.Time cannot be more recent than other time(s)
-95,Error,Submitted file #DATA_GENERATION.Date is earlier than previously submitted version
-96,Error,Submitted file version and #DATA_GENERAION.Date identical to previously submitted file
-97,Error,Submitted #DATA_GENERATION.Date is identical to previously submitted file
-98,Error,Submitted version number is identical to previously submitted file
-99,Error,ECC instrument serial number different from previous submission
-101,Error,No ozone data in #DAILY table
-102,Error,#DAILY.Date found in non-chronological order
-103,Error,#DAILY.Date has different year than #TIMESTAMP.Date
-104,Error,Duplicate observations found in #DAILY table
-105,Error,Multiple observations found with #DAILY.Date {value}
-106,Error,#TIMESTAMP.Date before #DAILY does not equal first date of #DAILY
-107,Error,#TIMESTAMP.Date after #DAILY does not equal last date of #DAILY
-108,Error,More than two #TIMESTAMP tables found in file
-109,Error,#TIMESTAMP table after #DAILY is missing\, deriving based on requirements
-110,Error,Missing #MONTHLY table\, deriving based on requirements
-111,Error,Missing value for #MONTHLY.{field}\, deriving based on requirements
-112,Error,#MONTHLY.{field} differs from derived value
-113,Error,Cannot derive #MONTHLY table: missing #DAILY.ColumnO3
-114,Error,#OBSERVATIONS.Time found in non-chronological order
-115,Error,Duplicate observations found in #OBSERVATIONS table
-116,Error,Multiple observations found with #OBSERVATIONS.Time {value}
-118,Error,#{table}.Date found in non-chronological order,Reserved for Umkehr data tables
-119,Error,Duplicate observations found in #{table} table,Reserved for Umkehr data tables
-120,Error,Multiple observations found with #{table}.Date {value},Reserved for Umkehr data tables
-121,Error,#TIMESTAMP.Date before #{table} does not equal first date of #{table},Reserved for Umkehr data tables
-122,Error,#TIMESTAMP.Date after #{table} does not equal last date of #{table},Reserved for Umkehr data tables
-123,Error,#TIMESTAMP table after #{table} is missing\, deriving based on requirements,Reserved for Umkehr data tables
-125,Error,Lidar table counts are uneven between #OZONE_PROFILE and #OZONE_SUMMARY
-126,Error,Spectral table counts are uneven between #TIMESTAMP\, #GLOBAL\, and #{summary_table}
-200,Error,Data file successfully persisted
-201,Error,New instrument added
-202,Error,New deployment added
-203,Error,New station name added
-209,Error,Data file failed to validate
-1000,Error,Unassigned error message
diff --git a/woudc_data_registry/tests/config/all_warnings.csv b/woudc_data_registry/tests/config/all_warnings.csv
deleted file mode 100644
index feba5f3e..00000000
--- a/woudc_data_registry/tests/config/all_warnings.csv
+++ /dev/null
@@ -1,121 +0,0 @@
-Error Code,Error Type,Message Template,Notes
-1,Warning,Not a text file
-2,Warning,No core metadata tables found. Not an Extended CSV file
-3,Warning,Missing required table #{table}
-4,Warning,Excess table #{table} does not belong in {dataset} file
-5,Warning,Missing required field #{table}.{field}
-6,Warning,Excess field {field} does not belong in table {table}
-7,Warning,Required field #{table}.{field} is null or empty
-8,Warning,Optional field #{table}.{field} is null or empty
-9,Warning,Table #{table} has no fields
-10,Warning,Table #{table} has no fields,Placeholder for optional-table-specific error
-11,Warning,Required table #{table} contains no data
-12,Warning,Optional table #{table} contains no data
-13,Warning,No non-core data tables found
-14,Warning,Unexpected empty line between table header and fields
-15,Warning,Unrecognized data {row}
-16,Warning,Improper delimiter used '{separator}' corrected to '\,' (comma)
-20,Warning,#{table} field {oldfield} capitalization should be {newfield}
-21,Warning,#{table} corrected to {newtable} using aliases
-22,Warning,#{table} field {oldfield} corrected to {newfield} using aliases
-23,Warning,#{table}.{field} value corrected to {newvalue} using aliases
-25,Warning,#{table} row has more values than #{table} has columns
-26,Warning,Fewer than minimum {bound} occurrences of table #{table} found
-27,Warning,More than maximum {bound} occurrences of table #{table} found
-28,Warning,Fewer than minimum {bound} number of rows in table #{table}
-29,Warning,More than maximum {bound} number of rows in table #{table}
-30,Warning,#{table}.Time separator '{separator}' corrected to ':' (colon)
-31,Warning,Failed to parse #{table}.Time {component}: contains invalid characters
-32,Warning,#{table}.Time corrected from 12-hour clock to 24-hour YYYY-MM-DD format
-33,Warning,#{table}.Time {component} is not within allowable range [{lower}]-[{upper}]
-34,Warning,#{table}.Date separator '{separator}' corrected to '-' (hyphen)
-35,Warning,#{table}.Date not in YYYY-MM-DD format: missing separators
-36,Warning,#{table}.Date is incomplete
-37,Warning,#{table}.Date not in YYYY-MM-DD format: too many separators
-38,Warning,Failed to parse #{table}.Date {component}: contains invalid characters
-39,Warning,#{table}.Date {component} is not within allowable range [{lower}]-[{upper}],Reserved for year and month components
-40,Warning,#{table}.Date day is not within allowable range [{lower}]-[{upper}]
-41,Warning,#{table}.UTCOffset separator '{separator}' corrected to ':' (colon)
-42,Warning,#{table}.UTCOffset {component} is less than 2 digits long
-43,Warning,#{table}.UTCOffset {component} is missing\, default value is '00' (zero)
-44,Warning,Missing sign in #{table}.UTCOffset\, default '+' (plus)
-45,Warning,Invalid sign in #{table}.UTCOffset\, replacing with '{sign}'
-46,Warning,#{table}.UTCOffset is a series of zeroes\, should be '+00:00:00'
-47,Warning,Failed to parse #{table}.UTCOffset: contains invalid characters
-50,Warning,Missing #CONTENT.Class\, default is 'WOUDC'
-51,Warning,#CONTENT.Class {value} failed to validate against registry
-52,Warning,#CONTENT.Category {value} failed to validate against registry
-53,Warning,#CONTENT.Level should be {value} according to present tables
-54,Warning,#CONTENT.Level {oldvalue} should be a decimal number ({newvalue})
-55,Warning,Failed to parse #CONTENT.Level: contains invalid characters
-56,Warning,Unknown #CONTENT.Level for dataset {dataset}
-57,Warning,#CONTENT.Form {oldvalue} should be integral ({newvalue})
-58,Warning,Failed to parse #CONTENT.Form: contains invalid characters
-59,Warning,Cannot resolve missing or invalid #CONTENT.Form
-60,Warning,Unknown #CONTENT.Form for dataset {dataset} and level {level}
-61,Warning,Cannot assess expected table set: #CONTENT.{field} unknown
-62,Warning,Missing #DATA_GENERATION.Date\, defaults to processing date
-63,Warning,Missing #DATA_GENERATION.Version\, defaults to {default}
-64,Warning,#DATA_GENERATION.Version is not within allowable range [{lower}]-[{upper}]
-65,Warning,#DATA_GENERATION.Version does not have exactly decimal place
-66,Warning,Failed to parse #DATA_GENERATION.Version: contains invalid characters
-67,Warning,#DATA_GENERATION.Agency failed to validate against registry
-70,Warning,#PLATFORM.ID is not 3 digits long
-71,Warning,#PLATFORM.ID not found in registry
-72,Warning,#PLATFORM.Type in file does not match registry
-73,Warning,#PLATFORM.Name in file does not match registry
-74,Warning,#PLATFORM.Country in file does not match registry
-75,Warning,Ship #PLATFORM.Country should be 'XY' to meet ISO-3166 standards
-76,Warning,Failed to parse #LOCATION.{field}: contains invalid characters,Reserved for fields Latitude and Longitude
-77,Warning,Failed to parse #LOCATION.Height: contains invalid characters
-78,Warning,#LOCATION.{field} is not within allowable range [{lower}]-[{upper}],Reserved for fields Latitude and Longitude
-79,Warning,#LOCATION.Height is not within allowable range [{lower}]-[{upper}]
-80,Warning,#LOCATION.{field} in file does not match registry,Reserved for fields Latitude and Longitude
-81,Warning,#LOCATION.Height in file does not match registry
-82,Warning,Null value found for #INSTRUMENT.Name
-83,Warning,Null value found for #INSTRUMENT.Model
-84,Warning,Null value found for #INSTRUMENT.Number
-85,Warning,#INSTRUMENT.Name not found in registry
-86,Warning,#INSTRUMENT.Model not found in registry
-87,Warning,Instrument failed to validate against registry
-88,Warning,Deployment {ident} not found in registry
-89,Warning,Failed to parse #{table}.{field} due to errors: {reason}
-90,Warning,Inconsistent Time values between #TIMESTAMP tables
-91,Warning,#{table}.Date cannot be more recent than #DATA_GENERATION.Date,Reserved for TIMESTAMP tables
-92,Warning,#{table}.Date cannot be more recent than #DATA_GENERATION.Date,Reserved for non-TIMESTAMP tables
-93,Warning,First #TIMESTAMP.Time cannot be more recent than other time(s)
-95,Warning,Submitted file #DATA_GENERATION.Date is earlier than previously submitted version
-96,Warning,Submitted file version and #DATA_GENERAION.Date identical to previously submitted file
-97,Warning,Submitted #DATA_GENERATION.Date is identical to previously submitted file
-98,Warning,Submitted version number is identical to previously submitted file
-99,Warning,ECC instrument serial number different from previous submission
-101,Warning,No ozone data in #DAILY table
-102,Warning,#DAILY.Date found in non-chronological order
-103,Warning,#DAILY.Date has different year than #TIMESTAMP.Date
-104,Warning,Duplicate observations found in #DAILY table
-105,Warning,Multiple observations found with #DAILY.Date {value}
-106,Warning,#TIMESTAMP.Date before #DAILY does not equal first date of #DAILY
-107,Warning,#TIMESTAMP.Date after #DAILY does not equal last date of #DAILY
-108,Warning,More than two #TIMESTAMP tables found in file
-109,Warning,#TIMESTAMP table after #DAILY is missing\, deriving based on requirements
-110,Warning,Missing #MONTHLY table\, deriving based on requirements
-111,Warning,Missing value for #MONTHLY.{field}\, deriving based on requirements
-112,Warning,#MONTHLY.{field} differs from derived value
-113,Warning,Cannot derive #MONTHLY table: missing #DAILY.ColumnO3
-114,Warning,#OBSERVATIONS.Time found in non-chronological order
-115,Warning,Duplicate observations found in #OBSERVATIONS table
-116,Warning,Multiple observations found with #OBSERVATIONS.Time {value}
-118,Warning,#{table}.Date found in non-chronological order,Reserved for Umkehr data tables
-119,Warning,Duplicate observations found in #{table} table,Reserved for Umkehr data tables
-120,Warning,Multiple observations found with #{table}.Date {value},Reserved for Umkehr data tables
-121,Warning,#TIMESTAMP.Date before #{table} does not equal first date of #{table},Reserved for Umkehr data tables
-122,Warning,#TIMESTAMP.Date after #{table} does not equal last date of #{table},Reserved for Umkehr data tables
-123,Warning,#TIMESTAMP table after #{table} is missing\, deriving based on requirements,Reserved for Umkehr data tables
-125,Warning,Lidar table counts are uneven between #OZONE_PROFILE and #OZONE_SUMMARY
-126,Warning,Spectral table counts are uneven between #TIMESTAMP\, #GLOBAL\, and #{summary_table}
-200,Warning,Data file successfully persisted
-201,Warning,New instrument added
-202,Warning,New deployment added
-203,Warning,New station name added
-209,Error,Data file failed to validate
-1000,Warning,Unassigned error message
diff --git a/woudc_data_registry/tests/config/errors.csv b/woudc_data_registry/tests/config/errors.csv
index 97758a43..e9a13777 100644
--- a/woudc_data_registry/tests/config/errors.csv
+++ b/woudc_data_registry/tests/config/errors.csv
@@ -73,6 +73,8 @@ Error Code,Error Type,Message Template,Notes
 249,Warning,#TIMESTAMP table after #{table} is missing\, deriving based on requirements,Reserved for Umkehr data tables
 250,Warning,Excess field {field} does not belong in table {table}
 251,Warning,Duplicate observations found in #{table} for Date={date},Reserved for Umkehr data tables
+252,Error,Trailing commas found in #{table} header
+253,Warning,Number of columns in {table} content row does not match with the number of column headers
 301,Error,Failed to parse #{table}.Time {component}: contains invalid characters
 302,Error,Failed to parse #{table}.Date {component}: contains invalid characters
 303,Error,#{table}.Date {component} is not within allowable range [{lower}]-[{upper}],Reserved for year and month components