(a) The Departmental Environmental Clearance Officer (DECO) shall establish a prescribed format used for the environmental analysis and documentation of projects and activities under subpart E. The DECO may prescribe alternative formats as necessary to meet specific program needs.(b) The program representative shall obtain interdisciplinary assistance from professional experts and other HUD staff as needed. Additional information may also be requested of the sponsor/applicant. HUD is responsible for assessing and documenting the extent of the environmental impact.61 FR 50916, Sept. 27, 1996, as amended at 79 FR 49229 , Aug. 20, 2014