| COMARC/A | March | 2018 |
This field contains the variant access point for a form of family name referred from.
| FIELD/SUBFIELD | REPEATABILITY | ||
| 420 | Variant access point – family name | r | |
| a | Entry element | nr | |
| c | Type of family | nr | |
| f | Dates | nr | |
| j | Form subdivision | r | |
| x | Topical subdivision | r | |
| y | Geographical subdivision | r | |
| z | Chronological subdivision | r | |
| 2 | System code | nr | |
| 3 | Record number | nr | |
| 5 | Relationship control | nr | |
| 8 | Language of cataloguing | nr | |
| 9 | Language of the base access point | nr | |
Subfields a, c and f are described at field 220, subfields j, x, y and z in the Subdivisions chapter, and subfields 2, 3, 5, 8 and 9 in the Control Subfields chapter.
The access point in field 420 is a variant or non-preferred form of the access point in the 2XX field, formulated in accordance with the national descriptive cataloguing rules or subject system.
| 220 | AUTHORIZED ACCESS POINT – FAMILY NAME |
220 ⊔⊔ aMedici cHouse of 420 ⊔⊔ aHouse of Medici *
152 ⊔⊔ bsgc 220 ⊔⊔ aHerbersteini cplemiška rodbina 420 ⊔⊔ aGrafen von Herberstein 420 ⊔⊔ aGrofje Herbersteini 420 ⊔⊔ 9ger aHerberstein cplemiška rodbina *
152 ⊔⊔ bsgc 220 ⊔⊔ 9slv aSpanheimski cvladarska rodbina 420 ⊔⊔ 9ger aSpanheim cvladarska rodbina 420 ⊔⊔ 9slv aSpanheimi cvladarska rodbina 420 ⊔⊔ 9slv aŠpanhajm cvladarska rodbina 420 ⊔⊔ 9slv aŠpanhajmi cvladarska rodbina 420 ⊔⊔ 9slv aŠpanhajmski cvladarska rodbina 420 ⊔⊔ 2lc 3sh 96003650 5n 8eng 9ger aSpanheim family 420 ⊔⊔ 2ram 3FRBNF12217835 5n 8fre aSponheim cfamille de (Record from the General List of Subject Headings (SGC). Authorized access points for the same family, formulated in accordance with the rules from other subject systems, are also entered in fields in the 4XX block.)