| MARC Tag |
Meaning |
Input Standard |
| 02X |
Standard number |
Required if applicable |
| 1XX |
Main entry |
Required if applicable |
| 240 |
Uniform title |
Optional |
| 245 |
Title statement |
Mandatory |
| 246 |
Varying form of title |
Optional |
| 250 |
Edition statement |
Required if applicable |
| 260 |
Publication, distribution, etc. (Imprint) |
Required if applicable / Mandatory for serials |
| 300 |
Physical description |
Mandatory |
| 310 |
Current publication frequency |
Optional |
| 362 |
Dates of publication and/or volume designation |
Required if applicable |
| 4XX |
Series statement (with 8XX if appropriate) |
Optional |
| 5XX |
Notes |
Optional / Required if applicable (501, 533) |
| 6XX |
Subject heading |
Optional |
| 700-730 |
Added entries |
Required if applicable |
| 760-787 |
Linking entries |
Optional |
| 856 |
Electronic location and access |
Optional |