7 Colo. Code Regs. § 1101-7-5-2
OPS shall be provided with notification in writing at least 5 days prior to any requested inspection. It shall be the duty of the permit holder to provide access to and means for inspections of such work that are required by this code.
Work shall not be done beyond the point indicated in each successive inspection without first obtaining the approval from OPS, a third party inspector contracted by the Board, or the prequalified local jurisdiction. OPS, a third party inspector contracted by the Board, or the prequalified local jurisdiction, upon notification, shall make the requested inspections and shall either indicate the portion of the construction that is satisfactory as completed, or notify the permit holder or his or her agent wherein the same fails to comply with the codes adopted in these regulations. Any portions that do not comply shall be corrected and such portion shall not be covered or concealed until authorized by OPS, a third party inspector contracted by the Board, or the prequalified local jurisdiction.
7 CCR 1101-7-5-2