Oil declined for a second day before a deadline for a nuclear agreement between Iran and world powers that may allow the OPEC producer to increase crude exports. Futures slid as much as 0.8 percent in London. Iranian lawmakers approved the outlines of a bill that would ban inspections of military sites and require the lifting of all international sanctions under any deal, state-run Mehr news agency reported. Diplomats from the Middle East nation, the U.S., U.K., France, Germany, Russia and China are converging on Vienna in an attempt to reach a final agreement by June 30. Brent for August settlement fell as much as 51 cents to $62.51 a barrel on the London-based ICE Futures Europe exchange, and was at $62.64 at 9:50 a.m. Sydney time. The contract decreased 1.9 percent on Friday to close at $63.02. The European benchmark crude was at a premium of $3.02 to West Texas Intermediate, the U.S. marker, for the same month. WTI for July delivery, which expires Monday, fell as much as 37 cents, or 0.6 percent, to $59.24 a barrel. The more-active August contract dropped 43 cents to $59.54. The volume of all futures traded was about 56 percent below the 100-day average. Front-month prices are up about 11 percent this year. Source: Bloomberg