Did inserting each purchaser's name and address into a medical or dental software package make the whole program custom?

Short answer No. The basic package remained taxable prewritten software, but separately stated charges for the name-and-address tailoring were excluded modifications.
State
CA
Ruling
Annotation 120.3115
Tax type
Sales and Use Tax
Issued
1983-03-04
Issued by
California State Board of Equalization
Requested by
A medical and dental software seller tailoring packages with each purchaser's identity

Apply this to your situation

This page answers the general question as of 1983. Ask about yours and see what current California tax law says, with citations.

Currency note: this ruling is from 1983
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 March 4, 1983 California State Board of Equalization assistant-chief-counsel letter about medical and dental software packages. The official PDF's first-page date controls over the scraped annotation date. The conclusion distinguishes the taxable basic package from separately stated charges for limited purchaser-specific name-and-address tailoring. Current software-delivery, custom-modification, healthcare-software, and sales-and-use-tax rules may differ. 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

The seller encoded each purchaser's name and address into medical and dental software and used that information in screens, forms, statements, and reports.

California said this limited adaptation did not turn the underlying package into a custom program. Sales of the basic software remained taxable.

Separately stated charges for tailoring an existing prewritten program with the purchaser's identity were treated as excluded custom modifications under the stated rule.

Citations and references

  • The short letter did not cite a statute or regulation by number.

Source

Original ruling text

120.3115

STATE OF CALIFORNIA

STATE BOARD OF EQUALIZATION
1020 N STREET, SACRAMENTO, CALIFORNIA
(P.O. BOX 942879, SACRAMENTO, CALIFORNIA 94279-0001)
(916) 445-3723

March 4, 1983
M. L--- D. J--President
D--- S---, Inc.
P. O. Box XXXXX
--- ---, CA XXXXX
Dear M. J---:
This is in response to your letter of February 2, 1983.
We understand that D--- S---, Inc., is a computer software house. You develop medical and dental programs for use on in-office computers. Each of your software packages is tailored to each of your users to the extent that:

  1. The name and address of the purchaser is encoded into the system prior to
    purchase.
  2. This information is utilized in all programs either as part of a screen
    display or for printing on forms, statements, reports, etc.
    We are of the opinion that sales tax applies to sales of your software packages notwithstanding the fact that the packages are adapted to the specific needs of the user, as specified. Programs of the type in question do not qualify for nontaxability under recently enacted exclusions from the definition of “sale.” However, the term “custom computer program” includes those services represented by separately stated charges for modifications to an existing prewritten program. Thus, charges for tailoring the programs to individual users in the manner specified above are nontaxable if separately stated. Very truly yours,

Gary J. Jugum
Assistant Chief Counsel
GJJ:rdv

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