# § 8899. Investigation before issue of certificate
The Secretary of the Navy may not issue a certificate under this chapter until he satisfies himself by investigation that it is necessary.
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**Source Credit**: (Aug. 10, 1956, ch. 1041, 70A Stat. 485, § 7729; renumbered § 8899, Pub. L. 115–232, div. A, title VIII, § 807(d)(10), Aug. 13, 2018, 132 Stat. 1837.)
| Revised section | Source (U.S. Code) | Source (Statutes at Large) |
| --- | --- | --- |
| 7729 | 46 U.S.C. 794 (less 1st 10 sentences). | July 3, 1944, ch. 399, § 4 (less 1st 10 sentences), 58 Stat. 724. |
## Editorial Notes
### Amendments
2018— renumbered as this section.
## Statutory Notes and Related Subsidiaries
### Effective Date of 2018 Amendment
Amendment by effective , with provision for the coordination of amendments and special rule for certain redesignations, see , set out as a note preceding .