Performs basic check before importing data - checking if there are any HFR labeled tabs to import and then outputting info from the meta tab (country, filename, and template version) and then about the tabs (what will be imported or excluded)
validate_initial(filepath)filepath to submitted template
Other validation:
check_content(),
check_dates(),
check_disaggs(),
check_orgunituids(),
check_output_cols(),
is_hfrtab(),
validate_import(),
validate_output()