Did an out-of-state contractor need a California seller's permit solely to install customer-provided signs and furnish minor construction materials?

Plain-English summary

An Arizona contractor holding a California contracting license installed a customer's signs at California service stations. The quoted December 3, 1993 request called the work entirely labor but said the contractor sometimes had to buy California property to complete an installation. It represented that every installation became part of the service station's real property.

Tax Counsel Gerald Morrow treated the installation as a construction contract because the customer-provided signs became part of real property. Regulation 1521 treated a construction contractor as the consumer of materials it furnished and installed, so sales or use tax applied to the retail sale of those materials to the contractor. Buying qualifying materials in California for use in the contracts did not by itself require a seller's permit.

The contractor had not described either the purchased property or the signs. Counsel therefore assumed, rather than found, that the added property met Regulation 1521's materials definition and that the signs were building-accessory fixtures. A contractor instead was the retailer of fixtures, machinery and equipment it furnished and installed, making it a seller under section 6014 and requiring a permit under section 6066.

Section 6006(b) separately treated fabrication of tangible personal property for a consumer who supplied the property as a sale. If this contractor fabricated a customer-provided sign before installation, the fabrication charge was taxable and a permit was required. Only if it performed no such prefabrication and furnished and installed nothing except qualifying materials would it not be a seller or need a permit.

The opinion says copies of Regulations 1521 and 1699 were enclosed, but its enclosure line instead says Regulations 1521 and 1668; CDTFA's PDF reproduces none of them. The request, contracts, sign drawings, property and purchase records, fabrication records, charges, tax computation, application, permit, returns, audit and later outcome are also absent.

Source posture and cross-reference

The live 410.0325 annotation, in the 2026 revision of the Business Taxes Law Guide, preserves the assumed fixture signs, no-prefabrication condition, materials classification, no-permit result and contrary seller result for prefabrication or nonmaterial property. It adds that the seller must report and pay sales tax on such charges. It omits the Arizona and California-license facts, service-station setting, quoted request, real-property representation, definitions and separate treatment of materials, fixtures, machinery and equipment, missing descriptions, cross-reference, conflicting enclosure list, and absence of an applied outcome.

The opinion's footnote cites Annotation 190.0560 and its supporting source for treating a large outdoor freestanding sign as a structure. The footnote and live 190.0560 annotation date that item November 7, 1964; its official supporting letter is dated November 17, 1964. That source also carries an August 19, 1987 resale-certificate correction. The 1994 opinion uses only the structure classification and does not explain either date layer or the later correction.

CDTFA's Annotated Legal Opinions collection says the letters are summarized as annotations and that statutory law controls whenever a statute and annotation conflict. The official three-page 410.0325 PDF has a clean native text layer and a page-1 letterhead stencil, so no OCR was required. It prints machinery and equipment I' and losses its identity; those visible defects remain verbatim below. Both fresh direct PDF downloads and both live-annotation downloads were byte-identical, and duplicate default PDF text extractions matched. The original-text section below remains byte-identical to its committed version and matches the fresh official extraction after removing only the extractor's terminal newline and form feed.

What this means for you

Sign installers, construction contractors, and tax professionals

Classify every furnished item and separate onsite installation from prefabrication. Customer ownership of the sign did not prevent prefabrication from being a sale, while the installer consumed property only if it met the materials definition. Document sign attachment, property identity, work timing, contract scope and every furnished component; check current construction-contractor, fixture, structure, equipment, fabrication, permit and tax rules.

Common questions

Q: Were the signs assumed to be fixtures?

A: Yes. The contractor did not describe them, so counsel assumed they were accessories to buildings and therefore fixtures. The footnote separately said a large freestanding outdoor sign was a structure.

Q: Did buying construction materials require a permit?

A: No by itself. The contractor consumed qualifying materials, so tax applied to the retail sale of those materials to it.

Q: What activity triggered seller status?

A: Prefabricating the customer-provided sign, or furnishing and installing fixtures, machinery or equipment rather than only qualifying materials.

Q: Was the answer based on verified sign and property classifications?

A: No. Counsel expressly said the contractor had described neither and made assumptions for the opinion.

Q: Which regulations were enclosed?

A: The body says 1521 and 1699; the enclosure line says 1521 and 1668. The PDF includes none of those enclosures and does not resolve the conflict.

Q: Did the source show what the contractor ultimately did?

A: No. It supplies no later fabrication, purchases, application, permit, return, audit, assessment or payment outcome.

Citations and references

• California Revenue and Taxation Code sections 6006(b), 6014 and 6066 — quoted or cited in the 1994 opinion
• California Sales and Use Tax Regulation 1521(a)(1)(A)(1), (a)(2), (a)(4), (a)(5), and (b)(2)(A)-(C) — definitions and contractor classifications applied in the opinion
• California Sales and Use Tax Regulations 1699 and 1668 — conflicting enclosure references; neither reproduced
• Sales and Use Tax Annotation 190.0560 — footnote for freestanding outdoor signs; annotation date and supporting-letter date conflict
• December 3, 1993 request; contracts; sign plans and attachment facts; furnished-property and purchase records; fabrication records; charges and tax computation; application; permit; returns; audit; assessment; and outcome — described or implicated but not included

Verbatim support

From the official January 24, 1994 Tax Counsel opinion:

You have not described the property which you will furnish nor have you described the signs which you will install.

For purposes of this opinion, I assume that the materials to which you refer qualify as "materials" within the meaning of Regulation 1521.

If X------------------- performs fabrication of the sign prior to its installation, that fabrication is a sale the charge for which is subject to sales tax.

On the other hand, if X------------------------- performs no fabrication of the sign as discussed herein, and it furnishes and installs only property qualifying as materials within the meaning of Regulation 1521, it would not be regarded as a seller and would not be required to hold a seller's permit.

Source

• Annotated Legal Opinions collection: CDTFA Annotated Legal Opinions
• Live annotation: Annotation 410.0325
• Original supporting opinion: 410.0325 PDF
• Cited sign classification: 190.0560 live annotation and 190.0560 PDF

Original ruling text

410.0325

STATE OF CALIFORNIA

STATE BOARD OF EQUALIZATION
450 N STREET, SACRAMENTO, CALIFORNIA
PO BOX 942879, SACRAMENTO, CALIFORNIA 94279-0001
TELEPHONE (916) 324-2642

MEMBER
First District
BRAD SHERMAN
Second District, Los Angeles
ERNEST J. DRONENBURG, JR.
Third District, San Diego
MATTHEW K. FONG
Fourth District, Los Angeles

January 24, 1994

GRAY DAVIS
Controller, Sacramento

BURTON W. OLIVER
Executive Director

Re:

Application of Sales Tax
Regulation 1521/Construction Contractor
Fixtures and Materials
Signs Affixed to Realty/Service Stations

Dear X-------------------- :
This is in response to your letter dated December 3, 1993, regarding the application of tax to signs that you install for X-------------. In your letter you state: “We, X--------------------, reside in Arizona and hold a contracting license in California. The scope of work in California involves installing customer provided signs for X----------------------- at their service stations. The work performed is entirely labor. There will be situations making it necessary from time to time to purchase materials in California in order to complete an installation. All installations become part of the real property of the particular service station when completed. “Please advise if a sales permit is necessary and send documentation verifying the correct procedure in our particular situation.” A "construction contract" means and includes a contract to erect, construct, alter, or repair any building or other structure, development, project, or other improvement on or to real property. (Sales & Use Tax Regulation 1521(a) (1) (A) (1).) X---------------- is performing a construction contract since the sign installation contract requires it to install the customer provided signs such that they will become part of real property. A "construction contractor" is a person who performs a construction contract. (Reg. 1521(a) (2).) A construction contractor is generally a consumer of materials the contractor furnishes and installs pursuant to the construction contract. (Reg. 1521(b) (2) (A) 1.) This means that sales or use tax applies to the sale to the contractor of such materials. A construction contractor is the retailer of fixtures the contractor furnishes and installs pursuant to the construction contract. (Reg. 1521 (b) (2) (B) 1.) This means that sales tax applies to the sale by the construction contractor of such fixtures. Similarly, a construction contractor is the retailer of machinery and equipment the contractor furnishes and installs in connection with a construction contract. (Reg. 1521 (b) (2) (C) 1.) Thus, if a construction contractor is furnishing and installing

fixtures or machinery and equipment, the contractor is a seller under Revenue and Taxation Code section 6014 and must obtain a California seller's permit (Rev. & Tax. Code § 6066.) You state that from time to time X------------------------ purchases materials in California in order to complete an installation. The question is whether the property in question is materials, with respect to which you are a consumer, or if instead the property is either machinery and equipment or fixtures with respect to which you are a retailer. Regulation 1521 defines "materials," "fixtures," and "machinery and equipment I' for purposes of this analysis. Materials are defined in Regulation 1521 (a) (4) : "Materials means and includes construction materials and components, and other tangible personal property incorporated into, attached to, or affixed to, real property by contractors in the performance of a construction contract and which, when combined with other tangible personal property, losses its identity to become an integral and inseparable part of real property. A list of typical items regarded as materials is set forth in Appendix A." Fixtures are defined in subdivision (a) (5) of Regulation 1521: “Fixtures means and includes items which are accessory to a building or other structure and do not lose their identity as accessories when installed. A list of typical items regarded as fixtures is set forth in Appendix B.” You state that you are installing customer provided signs for various X-----------service locations in California and that the work performed by X------------- is entirely labor. Nevertheless, you also state that you will need to purchase materials to complete certain sign installations. You have not described the property which you will furnish nor have you described the signs which you will install. For purposes of this opinion, I assume that the materials to which you refer qualify as "materials" within the meaning of Regulation 1521. As such, the retail sale of such materials which you will consume in the performance of the construction contract is the sale to you. You are not required to hold a seller's permit by virtue of purchases of such materials in California for use in construction contracts. Appendix B to Regulation 1521 includes signs as items which are typically regarded as fixtures. Although certain signs are not fixtures, those which are accessory to buildings are 1 and for purposes of this opinion, I assume that the signs which X--------- installs are fixtures within the meaning of Regulation 1521. Under subdivision (b) of Revenue and Taxation Code section 6006, the fabrication of tangible personal property for consumers who furnish, directly or indirectly, the property used in that fabrication is a "sale" for purposes of the Sales and Use Tax Law. If X------------------- performs fabrication of the sign prior to its installation, that fabrication is a sale the charge for which is subject to sales tax. If such is the case, X------------------------ must obtain a seller's permit. On the other hand, if X------------------------- performs no fabrication of the sign as discussed herein, and it furnishes and installs only property qualifying 1

A large outdoor free standing sign is regarded as a structure. (Business Taxes Law Guide Annotation 190.0560
[11/7/64].)

as materials within the meaning of Regulation 1521, it would not be regarded as a seller and would not be required to hold a seller's permit. Copies of Regulations 1521 and 1699 (Permits) are enclosed. If, after review of this letter and the enclosed regulations, you find that you are required to hold a California seller's permit, please contact our Out-of-State District office at 450 "N" Street, MIC:OH, Sacramento, CA 95818-0268, (916) 322-2010. If you have further questions, feel free to write again. Sincerely,

Gerald Morrow
Tax Counsel

Enclosures: Regulations 1521 and 1668
Cc:
Out-of-State District Administrator