1.	Is Email address in the import record?
1.1.	Yes (to 1) => any records in the system with matching emails are marked as duplicates. END.
1.2.	No (to 1), AND => 
1.2.1.	(Last Name and first name exist in the import record, where last name does include neighbor, resident, friend, occupant, owner, home, or prospect)), OR (last name exists but no first name exists in the import record)?
1.2.2.	Yes (to 1.2.1) and home street exists in the import record => any records in the system where the home street matches, as well as the last name and possible first name match are marked as duplicate.
1.2.3.	Yes (to 1.2.1) and home street does not exist, but at least one of the phone numbers exists in the import record, in order of home/mobile/business => any records in the system where one of the phone numbers, as well as the last name and possible first name match are marked as duplicate. END
1.2.4.	Yes (to 1.2.1) and no phone numbers nor home-street exist in the import record => first record in the system where the last name and possible first name match are marked as duplicates. END.
1.2.5.	No (to 1.2.1) and no first name or last name exist in the import record, but any of the phone number, in order of home/mobile/business exist => any records in the system where the home/mobile/business phone match are marked as duplicate. END
1.2.6.	No (to 1.2.1) and no first name or last name exist in the import record, and no phone numbers exists in the import record, but home street exists => first record in the system where the home street matches are marked as duplicate. END
1.2.7.	No (to 1.2.1) and no first name or last name exist in the import record, and no phone numbers exists in the import record, and no home-street exist => No duplicates marked. END
1.2.8.	No (to 1.2.1) and first name exists in the import record, but no last name in the import record => first record in the system where the first name matches is marked as duplicate.
1.2.9.	No (to 1.2.1) but last name (with no neighbor, resident, friend, occupant, owner, home, or prospect in it) and first name exist in the import record => any records in the system where the first name and last name match are marked as duplicates.
1.2.10.	No (to 1.2.1) => No duplicates marked. END