https://tenaxaccounting.com/resourceshttps://tenaxaccounting.com/hubfs/tenax-llc-founder-pay-light.pngtenax-llc-founder-pay-lighttenax-llc-founder-pay-lighthttps://tenaxaccounting.com/hubfs/tenax-2027-tax-calendar-llc-light.pngtenax-2027-tax-calendar-llc-lighttenax-2027-tax-calendar-llc-lighthttps://tenaxaccounting.com/hubfs/tenax-c-corp-founder-pay-light.pngtenax-c-corp-founder-pay-lighttenax-c-corp-founder-pay-lighthttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-10https://tenaxaccounting.com/contacthttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-10https://tenaxaccounting.com/resources/prototype-to-productionhttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primaryhttps://tenaxaccounting.com/hubfs/tenax-prototype-to-production-light.pngMed device costs from prototype to production: prototyping and testing are research and development expense and usually qualified research expenses (QREs); design transfer and pilot builds can be R and D or inventory; production is inventory, then cost of goods sold, not a QRE. Tenax Accounting. ltenax-prototype-to-production-light2026-10-17https://tenaxaccounting.com/successionhttps://tenaxaccounting.com/hubfs/katie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-colorado.jpgkatie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-coloradokatie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-coloradohttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-17https://tenaxaccounting.comhttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primaryhttps://tenaxaccounting.com/hubfs/katie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-colorado.jpgkatie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-coloradokatie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-colorado2026-10-11https://tenaxaccounting.com/resources/2027-tax-calendar-llchttps://tenaxaccounting.com/hubfs/tenax-2027-tax-calendar-llc-light.pngtenax-2027-tax-calendar-llc-lighttenax-2027-tax-calendar-llc-lighthttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-10https://tenaxaccounting.com/about-katiehttps://tenaxaccounting.com/hubfs/svf-icon.pngsvf-iconsvf-iconhttps://tenaxaccounting.com/hubfs/arizona-flag.jpgarizona-flagarizona-flaghttps://tenaxaccounting.com/hubfs/tenax-icon-1.pngTenax Accounting icon: a bold, stylized letter T built from stacked bars in a pink-to-orange-to-yellow gradient. The brand mark for Tenax Accounting, a bookkeeping, fractional CFO, and tax firm in Tempe, Arizona.tenax-icon-1https://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primaryhttps://tenaxaccounting.com/hubfs/katie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-colorado.jpgkatie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-coloradokatie-cpa-tenax-accounting-photo-bookkeeping-and-tax-phoenix-tempe-scottsdale-arizona-coloradohttps://tenaxaccounting.com/hubfs/colorado-flag.jpgcolorado-flagcolorado-flaghttps://tenaxaccounting.com/hubfs/SAK-icon.pngSAK-iconSAK-iconhttps://tenaxaccounting.com/hubfs/Brock-icon.pngBrock-iconBrock-iconhttps://tenaxaccounting.com/hubfs/missouri-flag.jpgmissouri-flagmissouri-flag2026-10-17https://tenaxaccounting.com/notes/2027-llc-tax-deadlineshttps://tenaxaccounting.com/hubfs/tenax-2027-tax-calendar-llc-light.pngtenax-2027-tax-calendar-llc-lighttenax-2027-tax-calendar-llc-lighthttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-15https://tenaxaccounting.com/pricinghttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-10https://tenaxaccounting.com/resources/llc-founder-payhttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primaryhttps://tenaxaccounting.com/hubfs/tenax-llc-founder-pay-light.pngtenax-llc-founder-pay-lighttenax-llc-founder-pay-light2026-10-10https://tenaxaccounting.com/resources/c-corp-founder-payhttps://tenaxaccounting.com/hubfs/tenax-c-corp-founder-pay-light.pngtenax-c-corp-founder-pay-lighttenax-c-corp-founder-pay-lighthttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-10https://tenaxaccounting.com/med-device-accountinghttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-10https://tenaxaccounting.com/notes2026-10-15https://tenaxaccounting.com/resources/rd-credit-payroll-offsethttps://tenaxaccounting.com/hubfs/tenax-rd-payroll-offset-light.pngWhen the research and development credit payroll tax offset starts for tax year 2026: file in September 2027 and it starts with October payroll; file in October and it starts in January 2028. Who qualifies and which qualified research expenses (QREs) your books need to show. Tenax Accounting. lighttenax-rd-payroll-offset-lighthttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-17https://tenaxaccounting.com/nonprofit-accountinghttps://tenaxaccounting.com/hubfs/tenax-logo-primary.pngtenax-logo-primarytenax-logo-primary2026-10-10