An Act amending the act of March 4, 1971 (P.L.6, No.2), known as the Tax Reform Code of 1971, further providing, in sales and use tax, for assessment and for reassessment; deleting provisions relating to review by Board of Finance and Revenue; further providing for refund of sales tax attributed to bad debt; deleting provisions relating to refund or credit for overpayment and to restriction on refunds; further providing, in sales and use tax, for refunds, for refund petition and for extended time for filing special petition for refund; further providing, in personal income tax, for definitions and for classes of income; providing for withholding tax on early distributions; further providing, in personal income tax, for assessment, for jeopardy assessments, for procedure for reassessment, for restrictions on refunds and for limitations on refund or credit; further providing, in corporate net income tax, for definitions, for imposition, for reports and payment, for consolidated reports and for changes by Federal Government; providing, in corporate net income tax, for assessments, for jeopardy assessments, for limitations on assessments and for extension of limitation period; further providing for enforcement relating to corporate net income tax; providing, in corporate net income tax, for collection and for actions to collect and defenses; further providing, in gross receipts tax, for imposition; further providing, in realty transfer tax, for assessment, for lien and for refunds; further providing for mutual thrift institutions tax assessment; further providing, in malt beverage tax, for assessment and for refund of tax; further providing for inheritance tax refund; providing for petition procedure and administration; establishing the Tax Review Tribunal and providing for its powers and duties; providing for tax clearance for renewals of licenses, permits and registrations; deleting provisions relating to petitions for refunds; further providing for estimated tax and for underpayment of estimated tax, for refund petitions and for timely filing; providing for assessments by the Department of Revenue; and making related repeals.