partner-contact/partner_deduplicate_filter/readme/USAGE.rst

To use this module, you need to:

#. Go to *CRM/Sales > Tools > Deduplicate Contacts*.
#. Mark "'Is a company?' field selected", "Parent company not set" or
   "Parent company set (Contacts)" in the section 'Exclude contacts having'.
#. This criteria will be used for excluding in the deduplication the selected
   kind of records.