Could unattached spare engine parts qualify as watercraft components, and was vessel fuel oil treated the same way?

Short answer Spare engine parts could qualify before installation because they were intended to become vessel components before use. Fuel oil was not a component, though excess fuel beyond what was needed to reach the first out-of-state port could qualify separately under section 6385 if documented.
State
CA
Ruling
Annotation 600.0680
Tax type
Sales and Use Tax
Issued
1950-01-10
Issued by
California State Board of Equalization
Requested by
A redacted purchaser or seller asking about vessel supplies

Apply this to your situation

This page answers the general question as of 1950. Ask about yours and see what current California tax law says, with citations.

Currency note: this ruling is from 1950
Subsequent statutory amendments, regulation changes, court decisions, or later rulings may have changed the analysis. Treat this page as historical context, not current tax advice. Verify current law before relying on any specific rule, rate, or position mentioned here.
Disclaimer: This is a January 10, 1950 California State Board of Equalization tax-counsel letter published by CDTFA as support for a sales and use tax annotation. It addresses pre-use spare engine parts under section 6368 and a separate historical fuel-oil rule under section 6385 involving the first out-of-state port, bills of lading, and accrued freight charges. Verify current law before applying either rule. This summary is informational only and is not legal or tax advice.
About this page: The plain-English summary, reader guidance, and Q&A below were written by Ezel based on the official state tax ruling. The original ruling (linked on this page as a PDF) is the authoritative source for any reliance.
View original ruling (PDF)

Plain-English summary

California said an item could qualify as a vessel component before it was physically installed if it was itself intended to become part of the watercraft before use. Spare engine parts therefore could fall within section 6368 when the exemption's other conditions were present.

Fuel oil was different. It did not become a vessel component.

The letter described a separate section 6385 rule for fuel oil: a vendor could claim exemption for the portion bought in California beyond the quantity needed to reach the first out-of-state port, if a bill of lading covered it and freight charges accrued.

What this means for you

Vessel operators, engine-parts sellers, fuel vendors, and tax advisers

Separate component inventory from consumable fuel. For pre-use spares, document their intended installation. For any fuel claim, preserve voyage calculations, the bill of lading, and freight-charge records.

Common questions

Q: Did spare parts need to be installed at the sale date?

A: No, if they were to become vessel components before use.

Q: Was fuel oil a component part?

A: No.

Q: Could some fuel still receive separate exemption treatment?

A: Yes, under the historical section 6385 conditions described in the letter.

Citations and references

  • California Revenue and Taxation Code §§ 6368 and 6385
  • California Sales and Use Tax Ruling 51.5, as cited in the source

Source

Original ruling text

600.0680

January 10, 1950

Att

Gentlemen:
In answer to your letter of December 30, we are enclos­ ing a copy of Sales and Use Tax Ruling 51.5, adopted by the Board pursuant to Section 6368 of the Sales and Use Tax Law, exempting from the tax sales of certain watercraft and component parts thereof. It is our opinion that the sale of any articles becom­ ing a component part of a watercraft before being actually placed in use fall within the exemption if otherwise the essential con­ ditions are present, even though the articles in question are not immediately attached to or made a part of the vessel. Thus, spare parts for the engine of a watercraft would be regarded as

becoming a component part of the watercraft, within the meaning

of the law.
With regard to fuel oil, we do not consider that sales thereof fall within Section 6368. Under certain circumstances, however, sales of fuel oil may be regarded as exempt sales in interstate or foreign commerce. Under Section 6385 sales of fuel oil may be claimed as exempt by the vendor where all the conditions specified therein are complied with. We will recognize exemption in the case of fuel oil of that portion of the oil purchased in California in excess of the quantity required by the vessel to reach the first port of call outside this State where such quantity is covered by a bill of lading and freight charges are accrued, in accordance with Section 6385. We are enclosing a copy of the Sales and Use Tax Law so you will have for ready reference the two sections referred to herein. Very truly yours,

E. H. Stetson
Tax Counsel
EHS:ph

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