1. For general obligations, the Index of Twenty Bonds; and
2. For special obligations, the Index of Revenue Bonds,
Ê which was most recently published before the bids are received or a negotiated offer is accepted.
(Added to NRS by 1967, 218; A 1969, 1288; 1971, 2110; 1975, 857; 1981, 1399; 1983, 570; 2009, 2659)