ASCE 7 (05, 10), IBC (2006, 2009, 2015)
The ASCE 7-05 / ASCE 7-10 spectrum is defined by a set of parameters defined in the code. The IBC 2006 and IBC 2009 codes refer directly to the ASCE 7-05 code. The IBC 2015 code refer directly to the ASCE 7-10 code.