Page:Compendium of US Copyright Office Practices (1973).pdf/268

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Ch. 11
11.1.2
11-8
11.1.2
Unpublished works.(cont'd)
II.
Presumption of new matter. When a work originally registered in unpublished form is later published, the date of publication will not affect the duration of copyright in the unpublished work or the time-limits for renewal registration. However, independent renewal registration for the published version will be made on the irrebuttable presumption that it contains new matter.