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Instructions for Schedule C (Form 1040)
taxmap/instr/i1040sc-002.htm#TXMP0627065c

Specific Instructions(p2)

rule
taxmap/instr/i1040sc-002.htm#TXMP126687a8
Filers of Form 1041.(p2)
rule
Do not complete the block labeled Social security number (SSN). Instead, enter the employer identification number (EIN) issued to the estate or trust on line D.
taxmap/instr/i1040sc-002.htm#TXMP64726af3

Line A(p2)

rule
Describe the business or professional activity that provided your principal source of income reported on line 1. If you owned more than one business, you must complete a separate Schedule C for each business. Give the general field or activity and the type of product or service. If your general field or activity is wholesale or retail trade, or services connected with production services (mining, construction, or manufacturing), also give the type of customer or client. For example, wholesale sale of hardware to retailers or appraisal of real estate for lending institutions.