Chapter I The Principal ReliefsFrom legislation.gov.ukDetailsContentsSection 497 Relief by agreement with other countries.Section 498—514 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Section 515 Postponement of capital allowances to secure double taxation relief.Section 516—535 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .