California State Tax Rulings

Free plain-English summaries of state tax letter rulings and advisory opinions issued in California, with full citations and the original source on every page.

5,022 rulings · Updated September 22, 2026
5,022 rulings

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How did California assign tangible-property sales when the buyer picked up goods in California and transported them to another state?

Buyer pickup did not automatically make the sale a California sale. Transportation by the buyer or seller counted as shipment. The sale generally followed the first state where the purchaser or its…

1995-07-20

Could California record a nominee lien after a used-car dealer transferred real property to his brother for no consideration?

Yes. Staff concluded that the interfamily transfer was made to hinder, delay, or defraud collection and approved a nominee lien against the property.

1995-07-20

Could growers buy CIPC potato sprout inhibitor for resale when applying it to harvested potatoes during storage?

It depended on why CIPC remained. If its effect continued after removal, it was a taxable processing aid; if presence at sale was necessary for continued protection, growers could buy it for resale.

1995-07-19

Were hot coffee and espresso sales from office-building kiosks taxable when most drinks were taken to workstations?

Lobby-kiosk sales were exempt where nearby seating was not the kiosk's facility. At kiosks with provided seating, takeout sales were exempt but drinks consumed there were taxable.

1995-07-18

Did associating a supplement seller with a doctor make the seller's vitamin and herb sales exempt?

No. The memorandum found that the separate seller was not the doctor's professional corporation and had established neither disease-treatment use nor a permitted method of furnishing the products.

1995-07-18

Could California record a nominee lien after spouses changed jointly owned property into the wife's separate property without transfer tax?

Yes. Staff concluded that the transfer was made to hinder, delay, or defraud collection and approved a nominee lien against the property.

1995-07-18

Was a fee to move previously licensed software from an old computer system to replacement hardware taxable?

Yes, if the original software license was taxable. The fee expanded use of the previously furnished program to the customer's new equipment.

1995-07-18

How did California treat a contractor that charged sales tax on lump-sum concrete-wall contracts instead of paying use tax on its materials?

The contractor was the consumer of the wall materials. Customer tax was excess reimbursement, but amounts already remitted could offset use tax on the same property.

1995-07-17

Did using a California convention bourse table make an out-of-state dealer collect use tax on all California sales?

Yes under the historical rule applied. Selling or taking orders at a bourse table created California presence without a minimum-visit threshold; education or buying alone did not.

1995-07-14

Was a Navy officers' spouses club exempt as a federal instrumentality when operating a gift shop entirely on a naval base?

No. The club was controlled by officers' spouses rather than established or supervised under federal authority. Its gift-shop retail sales were taxable and required a seller's permit.

1995-07-11

Did HMO directories listing participating physicians, addresses, and practice areas qualify as printed sales messages when mailed to prospects or members?

No. California treated the directories as informational listings rather than principally promotional messages, regardless of whether recipients were prospective or existing members.

1995-07-11

How were group tax payments allocated among corporations when a California Schedule R-7 combined return later produced separate refunds or assessments?

Payments were credited to the member whose tax liability they satisfied, not solely to the key corporation whose account received the money. FTB used disclosed member liabilities or reconstructed…

1995-07-07

Were an event producer's charges taxable when it staged corporate shows with temporary rented property but transferred nothing to the client?

No retail sale to the client occurred. The producer was the consumer of the sets and rented equipment it used and owed tax on buying or renting that property.

1995-07-03

Were a foreign airline's California purchases exempt when delivered to forwarder premises shared with its Otay Mesa office for Mexico shipment?

Only if the forwarder received and exported them before airline possession. Airline receipt before commitment was taxable even without California use.

1995-07-03

Could a corporation move a division into a new subsidiary, sell the subsidiary's stock, and liquidate it without California sales or use tax?

Each proposed step could be nontaxable alone, but staff would collapse the series into a taxable direct asset sale if its only purpose was changing sales-tax liability. The lease purpose was…

1995-06-30

Which charges were taxable when a California company designed a television news set and separately offered relocation and installation consulting?

Final designs and related expenses were taxable, while qualifying preliminary art and optional separately stated relocation consulting were not.

1995-06-30

Did title to packing materials pass before use when a moving customer signed an express early-title clause?

Yes. A signed clause stating that title passed before any use controlled regardless of billing method; a separately stated charge by itself did not establish early title passage.

1995-06-29

Was Met-Rx powdered drink mix exempt as a meal substitute when its package also directed consumers to use it only as a food supplement?

No. The powder's supplement label triggered the exclusion, and its nutrients did not meet the complete-dietary-food exception, so sales were taxable.

1995-06-27

Was the Met-Rx bar exempt as food even though it was nutrient-loaded and marketed for health, fitness, and vitality?

Yes. A bar was not one of Regulation 1602(a)(5)'s excluded supplement forms, and this label made no supplement or nutritional claims.

1995-06-27

Were separately quoted post-installation testing, adjustment, and operator-training charges part of a contractor's taxable sale of an electrical control panel?

No, when a vendor or separate company performed those services after installation. Pre-installation assembly or other fabrication remained part of the taxable fixture measure.

1995-06-26

How did return duties, retained media, maintenance updates, and federal-contract use affect four canned-software license arrangements?

The word license did not control. Return of the original media supported lease treatment; permanent possession supported a sale, and government use did not exempt a lease.

1995-06-22

How did California classify canned-software licenses, sublicenses, update fees, and software used by a federal contractor?

Classification depended on return rights and the actual media. True subleases were taxed on subrents unless prime-rent tax was elected; outright sales and update fees were taxable retail sales.

1995-06-22

Could a software sublicense be taxed as a sublease, and could the intermediary elect to pay tax on the prime lease instead?

Yes if the same original media had to be returned. Subrentals were taxable unless the intermediary timely elected use tax measured by prime-lease rentals.

1995-06-22

Was a three-year canned-software license and sublicense a lease when the user could keep the program after that period?

No. It was an outright sale because return was not ultimately required. The customer's $32,000 purchase and $7,000 update contract were taxable.

1995-06-22

Were interactive corporate presentations delivered on disks or CD-ROMs taxable as motion pictures or computer programs?

They were computer programs, not qualified motion pictures. Fully custom presentations were nontaxable; modified prewritten programs depended on pricing and separate charges.

1995-06-20

Could a dealer claim returned- or defective-merchandise deductions when a manufacturer helped refund a defective automobile?

Only if the dealer itself contracted with the customer and refunded on its own behalf. Acting merely for the manufacturer produced no dealer deduction.

1995-06-19

Did Vendor A retain interstate-sale exemption when its component went to Vendor B in California for integration and testing before outside shipment?

Only if possession was temporary and limited to inspection or defect testing. More extensive integration meant customer delivery in California and sales tax.

1995-06-19

How did California split ice sales to street-food vendors who resold some ice in drinks and consumed the rest to keep products cold, without resale certificates?

Absent clearer evidence, the Board treated 50 percent as nontaxable resale in soft drinks and 50 percent as taxable ice consumed in the vendors' businesses.

1995-06-19

Were aircraft repair parts installed outside California exempt when the aircraft returned for use by a Part 135 air-taxi operator?

Only conditionally. Installed parts entered as part of the aircraft, but each part's use was exempt only if the aircraft had qualifying common-carrier use for more than half of the 12 months after…

1995-06-19

Did two leased charter motor coaches qualify for California's interstate-commerce use-tax exemption?

No. Each coach had intrastate California use during the first six months after entry, so the lessor had to continue its irrevocable FRV reporting wherever the buses operated.

1995-06-16

Were printed biographical profiles and photographs incidental to a matchmaking service, or taxable sales of property?

They were nontaxable only when significant matchmaking skill and assistance were the true object; profile sets, addresses, or other goods sold without that service were taxable.

1995-06-15

Did a ground forwarder need a specific license, and did seller delivery into a customer's leased space at its facility preserve export treatment?

Activities, not a license, established forwarder status. But leased-space delivery might be purchaser possession; counsel lacked facts for a definitive exemption answer.

1995-06-14

Could a California base plate with a prorate license satisfy the out-of-state registration proof for the heavy-trailer exemption?

Yes for section 6388.5 interstate-use claims, with a timely signed affidavit accepted in good faith. It did not satisfy section 6388's principal-outside-use rule.

1995-06-14

Was extensive work to make a malfunctioning used printing machine operate as originally designed taxable fabrication or nontaxable repair?

It was repair or reconditioning, so repair labor was not taxable. Parts treatment depended on their value and whether they were separately charged.

1995-06-14

Were aircraft parts sent to California only for repair subject to California tax before shipment to Oregon?

Not under the described use-tax exclusion if the out-of-state sale was followed only by California repair and the parts then stayed outside California for the historical six-month period.

1995-06-09

Did section 6009.1 exclude materials stored at a California dock before use on offshore rigs in federal waters?

For out-of-state purchases, yes, if California activity was only storage before shipment and sole use outside the state. The exclusion did not apply to sales completed in California.

1995-06-08

Who owed tax on tuxedo rentals handled by franchise and bridal shops, and could the owner make a late election to pay tax on the tuxedo cost?

The tuxedo owner owed tax on all rental receipts because the shops were its agents, and it could not retroactively replace rental tax with tax on purchase cost.

1995-06-08

Were separately stated delivery charges taxable when a cabinet maker's signed contract passed title at shop completion before its own truck delivered?

No. The signed contract passed title when the custom cabinets were completed at the shop, so qualifying separately stated later delivery charges were excluded.

1995-05-31

When could a sheriff sell property seized for California tax debt under the minimum-bid rules discussed in 1995?

Only when the highest bid exceeded protected labor claims, specified deposits, and applicable debtor exemptions; otherwise the sheriff had to release the property.

1995-05-31

Did an auctioneer's trust account protect a taxpayer's abandoned-property sale proceeds from California's levy?

No. Staff said the trust-account exemption protected the auctioneer from its own creditors, not the taxpayer from California, so the auctioneer had to honor the levy after allowed costs.

1995-05-30

Was a financial institution's sale of hotel furniture and equipment acquired through foreclosure exempt as an occasional sale?

No. The institution already held a seller's permit for selling and leasing equipment, and it sold the foreclosed furniture, furnishings, and equipment to a customer as it would other equipment. The…

1995-05-26

Did federal nonprofit status exempt a youth organization's California conference activities from sales and use tax?

No blanket exemption applied. Retail property sales remained taxable, but charges for educational services were not sales when training materials were merely incidental.

1995-05-24

Were railroad switches, rails, joints, and other trackwork sold to a California regional rail authority exempt from sales tax?

No. The buyer was a California joint-powers authority, the goods were trackwork rather than exempt freight cars, and the generally applicable sales tax did not discriminate against rail carriers.

1995-05-23

Was a fee charged to cellular and paging companies for the right to install antennas on communication towers subject to California sales or use tax?

No. The letter found no tangible-property sale or lease; the live annotation characterizes the tower-site right as real property.

1995-05-23

Could a California city give one taxpayer a copy of another taxpayer's sales and use tax return while pursuing local-tax allocation?

No. A city could use Board records only for authorized governmental purposes and had to stop disclosing taxpayer returns to other taxpayers.

1995-05-23

When did withdrawing ex-tax inventory for gifts create California use tax?

When title passed in California. Shipping a gift from California by common carrier completed taxable use here, while a properly purchased item withdrawn and given away outside California did not.

1995-05-19

Was a separately stated $3 governmental-compliance fee charged by a welding-supply seller taxable?

Yes. The fee reimbursed the retailer's regulatory compliance costs, so it was a business expense included in taxable gross receipts even when separately itemized.

1995-05-18

Did time spent refurbishing an aircraft in Florida count as out-of-state use or storage under California's six-month test?

Yes. Refurbishment time counted, and enough combined out-of-state use or storage could avoid aircraft use tax; the separately bought engine had its own 90-day test.

1995-05-15

Could used equipment be routed back through its original vendor to create a returned-merchandise deduction before a sale and leaseback?

No. The deduction required an actual return and could not be conditioned on the customer producing a replacement buyer at the original above-market price.

1995-05-12

Were charges for designing a software opening screen and an Internet home page taxable?

Taxable when the design arrived on tangible media, and not a resale merely because the client recreated it in software. Fax- or modem-only delivery was nontaxable.

1995-05-12

Could an exporting auto dealer claim a state refund directly for sales-tax reimbursement paid to a franchised dealer?

No. Only the selling dealer could claim the sales-tax refund, subject to proving resale or qualifying out-of-state shipment and repaying the buyer.

1995-05-10

Was a paid transfer of peptide libraries for destructive research taxable despite being called a collaboration and license?

Yes. The physical peptide libraries were tangible property sold for fixed charges because they were consumed rather than returned; later milestone and royalty payments were excluded on the stated facts.

1995-05-10

Did a post-surgical catheter have to remain more than 24 hours to qualify as medicine?

No fixed 24-hour rule applied. California focused on whether the catheter was intended to remain for an indefinite recovery period and assist a natural function after surgery.

1995-05-09

When did customized software for computerized telephone switching systems qualify as nontaxable custom software?

Separately stated modifications were nontaxable; bundled software required customization above 50 percent. This May opinion was superseded on August 7, 1995.

1995-05-08

Did fabric sample books mailed free to users qualify as printed sales messages because they included labels and incidental printing?

No. The fabric was the primary marketing tool and the printing was ancillary, so the books consisted substantially of samples rather than printed promotional messages.

1995-05-04

Was a later fee for a code unlocking additional software already stored on a purchased CD-ROM taxable?

Yes. The unlock fee paid for further use of tangible property already delivered on the disk, so it was part of the disk's taxable selling price.

1995-05-02

Was a later fee for an unlock code taxable when the additional software was already stored on the customer's CD-ROM?

Yes. The unlock fee paid for further use of software already embodied on tangible media and was part of the CD-ROM's taxable selling price.

1995-05-02

Would an FDA decision to classify a biofeedback device as medicine make it exempt medicine for California sales tax?

No. The letter said FDA terminology did not control California's sales-tax definition of medicine, so even a favorable FDA response would not change the Board's earlier biofeedback-system conclusion.

1995-05-01

Were bundled software-maintenance charges taxable when updates were delivered by modem or installed from a disk the employee retained?

No on these facts. Remote updates transferred no property, and rare employee-operated disk installs were treated as reprogramming services rather than fabrication.

1995-04-28

What tax applied when manufactured equipment was transferred for first-issue stock, leased by the new corporation, and later used by that corporation?

Manufacturer owed use tax on ex-tax inputs; new corporation had to collect rent-based tax, but its own post-lease use was nontaxable.

1995-04-26

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These are official tax letter rulings and advisory opinions issued by California's revenue authority in response to questions from specific taxpayers about how the tax law applies to their facts. A ruling is binding on the department only for the taxpayer who requested it and cannot be relied on by anyone else, but it is strong evidence of how the state reads the law. Every ruling above has a plain-English question and short answer, plus a link to the full original source.

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