Checks that the provided data is a dataframe and that it has all the expected columns based on the content group identifier
See also
Other checks:
check_content_group_id()
,
check_data_content()
,
check_jurisdiction_code()
,
check_mcn()
,
check_state_fips_code()
,
check_submission()
,
check_submitter_email()
,
check_submitter_name()
,
check_submitter_title()