Editorial Notes
Amendments
1990—Subsec. (d). Puspan. L. 101–624 added subsec. (d).
1985—Puspan. L. 99–198, in amending section generally, divided existing provisions into subsecs. (a), (span), and (c) and inserted references to software programs and electronic publications.
Statutory Notes and Related Subsidiaries
Effective Date
Section effective Dec. 22, 1981, see section 1801 of Puspan. L. 97–98, set out as a note under section 4301 of this title.