An Act amending the act of March 4, 1971 (P.L.6, No.2), known as the Tax Reform Code of 1971, in sales and use tax, further providing for assessment; in personal income tax, further providing for assessment; in corporate net income tax, further providing for assessments; in procedure and administration, further providing for petition for reassessment; and, in general provisions, further providing for petitions for refunds and providing for compromise or adjustment of assessments.