Final answer:
Hyphenated last names are considered one indexing unit in alphabetic filing rules and should be typed with the hyphen on folder labels.
Step-by-step explanation:
When using alphabetic filing rules, hyphenated last names are considered to be one indexing unit. This means that the entire hyphenated name is treated as a single entity for filing purposes. Additionally, hyphenated last names should always be typed on folder labels with the hyphen, as it is part of the proper name. This treatment is consistent with hyphenated first or middle names, which are also treated as a single unit.
When using alphabetic filing rules, hyphenated last names are considered to be one indexing unit. This means that the hyphenated last name is treated as a single entity and is filed as such. For example, if the last name is 'Smith-Jones', it would be filed under 'S' for 'Smith-Jones' and not under 'J' for 'Jones'.
Hyphenated last names are always typed on folder labels with the hyphen. This helps to maintain the correct order and ensure that the name is filed correctly.
Hyphenated last names are treated differently than hyphenated first or middle names. In the case of first or middle names, the name is separated into individual parts and filed accordingly.