End of Field Punctuation
| Fields | Rules |
| 10 | Does not end in punctuation. |
| 20 | Does not end in a period. |
| 50 | No statement. |
| 100,110,111, 130,600,610, 611,630,700,710,711,730, 740,830 | End with a mark of punctuation or a closing parenthesis. |
| 240, 246 | Do not end with a mark of punctuation unless the last word in the field is an abbreviation, initial/letter, or data that ends with a mark of punctuation. |
| 245 | Ends with a period, even when another mark of punctuation is present, unless the last word in the field is an abbreviation, initial/letter, or data that ends with a period. |
| 250, 255 | End with a period. |
| 260 | Generally ends with a mark of punctuation, a closing parenthesis, closing angle bracket, closing bracket, or a comma. |
| 300 | Ends with a period if there is a 4XX in the record; otherwise it ends with a period unless another mark of punctuation or a closing parentheses is present. |
| 440,490 | Does not end with a mark of punctuation unless the field ends with an abbreviation, an initial/letter, or other data that ends with a mark of punctuation. |
| 500 | Ends with a period unless another mark of punctuation is present. |
| 504 | Subfield |a of field 504 ends with a period unless another mark of punctuation is present. |
| 505 | Field 505 ends with a period when the field contains complete or partial contents, unless another mark of punctuation or a closing angle bracket (<>) is present or unless the contents continue in another occurrence of field 505. If the field contains incomplete contents, no period is recorded, unless the last word, initial/letter, or abbreviation ends in a period. |
| 520 | Ends with a period unless another mark of punctuation is present. |
| 650, 651 | Ends with a mark of punctuation or a closing parenthesis. |
| 690 | Local rules. |
| notes: | 1) Mark of punctuation is a period (.), a question mark (?), an exclamation mark (!), or a hyphen (-). |
| 2) Separating punctuation in LC's system includes the hypen (-), period (.), and slash(/). | |
| 3) Subfields |2 through |5 usually, if not always, end with no punctuation.The mark of punctuation or closing parenthesis precedes those subfields. | |
| Source: | MARC 21 Format for Bibliographic Data 1999 Ed. from Cataloger's Desktop |
Indexed: End of Field Punctuation
Prepared by: Jorge Gonzalez
