<h1>Specified business notification for semiconductor wafer fabrication units through Form 19 and electronic filing requirements.</h1> Form 19 is prescribed for an application seeking notification of a semiconductor wafer fabrication manufacturing unit as a specified business under the Income-tax law. It is used by an assessee carrying on, or proposing to carry on, semiconductor wafer fabrication manufacturing, and the application captures particulars of the assessee, the unit, and fulfilment of prescribed conditions to enable verification of eligibility for notification. The completed form, together with supporting approval documents where applicable, is filed electronically and examined for compliance with the statutory and rule-based requirements.