Taxopedia › S › SA104S · GlossarySA104Supplementary SA page for partnership income. The SA104 reports your share of partnership income on your personal SA. The partnership itself files an annual SA800.Related termsPartnershipA business shared between two or more partners — each taxed on their share.← Back to all terms Stop dreading tax. Start ignoring it.Get a fixed-fee quote in 60 seconds. No signup, no card, no sales call. We'll just tell you what it'll cost and how fast we can file it.Get my free quoteCall +44 7799 123045