(a) The certification was not in fact executed by the responsible entity's Certifying Officer.

(b) The responsible entity has failed to make one of the two findings pursuant to § 58.40 or to make the written determination required by §§ 58.35, 58.47 or 58.53 for the project, as applicable.

(c) The responsible entity has omitted one or more of the steps set forth at subpart E of this part for the preparation, publication and completion of an EA.

(d) The responsible entity has omitted one or more of the steps set forth at subparts F and G of this part for the conduct, preparation, publication and completion of an EIS.

(e) The recipient or other participants in the development process have committed funds, incurred costs or undertaken activities not authorized by this part before release of funds and approval of the environmental certification by HUD (or the state).

(f) Another Federal agency acting pursuant to 40 CFR part 1504 has submitted a written finding that the project is unsatisfactory from the standpoint of environmental quality.