# § 31307. State statutes superseded
This chapter supersedes any State statute conferring a lien on a vessel to the extent the statute establishes a claim to be enforced by a civil action in rem against the vessel for necessaries.
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**Source Credit**: (Pub. L. 100–710, title I, § 102(c), Nov. 23, 1988, 102 Stat. 4741.)
| Revised section | Source section (U.S. Code) |
| --- | --- |
| 31307 | 46:975 |
Section 31307 provides for preemption of State laws to the extent a claim for necessaries is enforced by a civil action in admiralty against the vessel.
## Statutory Notes and Related Subsidiaries
### Effective Date
Section effective , with certain exceptions and qualifications, see , set out as a note under .