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Registration Policy

SME offers several types of member and nonmember registration options. For more information about a specific type of registration, please review the information below.

Registration Policy

This document sets out the terms and conditions between SME and you when you register for any event or conference organized by SME, including RETC. By registering for an event or conference organized by SME you are agreeing to comply with these terms and conditions. You should read this document carefully.

Prior to your registration, you must acknowledge and accept the SME Registration Terms & Conditions contained herein. Should you not wish to accept the Terms & Conditions you should not register.

Submission of a registration is regarded as affirmation of your acceptance of the Terms & Conditions.

Membership Discount Rates

Individuals must be members in good standing at the time of registration in order to qualify for discounted member rates.

Non-member full conference registrations include a complimentary pro-rated UCA membership that will be activated at time of registration and will remain active until December 31, 2023.

Discounted non-member registrations that include, but are not limited to, Discounted Author Rates, Complimentary Exhibitor Registrations and Complimentary Sponsor Registrations do not include complimentary memberships.

Early-bird Discount Options

All registrations received on or before May 4, 2023, qualify for the Early-bird discount rates listed here: and must be accompanied with full payment. Registrations are not considered complete and confirmed until full payment is received.

Additional Options & Events

Pre-conference short courses (if applicable) and ticketed networking events are additional options for attendees and are not included in a regular conference registration. Registrants can purchase ticketed functions within the registration process and can only be purchased in conjunction with a full conference registration.

One-day registrations or Exhibit Hall Only access registrations are not available for RETC 2023.

Cancellation Policy

If circumstances require you to cancel your RETC registration, you must do so in writing. Written notice must be sent via email at or Cancellations received on or before Thursday, May 11, 2023, will receive a full refund, less a $100 processing fee. There are no refunds for no-shows and cancellations received after Friday, May 11, 2023. Registrants are responsible for cancellation of their own hotel accommodations. Substitutions will be accepted in writing at no charge until Thursday, May 11, 2023. After Thursday, May 11, 2023, a $25 fee will be charged for substitutions.

Attendee Conduct

SME is committed to creating a professional and respectful conference experience for attendees, exhibitors, vendors, contractors, sponsors, and event staff. Individuals should immediately report any behavior inconsistent with these principles to onsite event staff. Individuals may also contact SME directly to report a concern at We will look into and review every allegation of inappropriate conduct and respond appropriately. We value your attendance.

Privacy Policy and Personal Data

Registrants who opt-in during the registration process agree to share their provided contact details including name, company name, title, mailing address and email with exhibiting companies and sponsors of RETC.

RETC event sponsors and exhibitors may directly request your personal information at their exhibit booths or presentations. Providing your information to them is optional, and you should review their privacy policies to address your particular needs and concerns about how they will treat your personal information.

Photograph and Video Use Permission

Attendees acknowledge and grant the right, in perpetuity, to SME and their contracted agents, to take photographs and video of  said attendee and their property, with or without naming and without compensation, in connection with attending RETC and hereby authorize SME and their contracted agents to copyright, use and publish any and all photographs and video taken at same in print and/or electronically for any lawful purpose, including publicity, illustrations, advertising, marketing and internet content all related to promoting SME, RETC and their educational activities.

Attendees agree to not capture audio or visual recordings of RETC elements (including sessions, social function, etc.) in any medium and to not distribute audio or visual recordings of RETC (via social media or any other means) without the express permission of the subject, speaker, author, SME or RETC representative.

Attendees also agree to not take or distribute pictures of or copy research posters/presentation materials unless explicit permission is granted.

Permission must be granted by SME or RETC, and press credentials issued, for any entity that desires to film, interview or capture attendees within all areas of RETC. Non-credentialed press, photographers and associated crew are subject to specific limitations for the time and placement of filming locations. Violations of these specifications may result in removal from RETC.

Distribution of Materials

SME and RETC retain the right to approve all materials distributed and displayed outside of exhibit hall booths. Any non-approved materials distributed will be immediately removed and disposed of.

Assumption of Risk and Waiver of Liability

Attendee assumes all risks and accepts sole responsibility for any injury (including, but not limited to, personal injury, disability, and death), illness, damage, loss, claim, liability or expense, of any kind, that attendee may experience or incur in connection with attending the event. Attendee hereby releases, covenants not to sue, discharges and holds harmless SME and RETC, its employees, agents, and representatives, of and from any such claims, including all liabilities, claims, actions, damages, costs or expenses of any kind arising out of or relating thereto.

In addition to all other rules and regulations relating to the attendee's attendance at the event, the attendee agrees to comply with all COVID-related procedures that may be implemented by SME and RETC, in order to protect the health and safety of all attendees. SME reserves the right to refuse entry to registrants who do not successfully pass the health screening or who refuse to follow the health and safety guidelines set forth including, but not limited to, wearing a mask and maintaining appropriate social distancing.

Changes to Terms & Conditions

SME reserves the right to change, amend, add or remove any of the above Terms & Conditions in its sole discretion and without prior notice. If one or more of the conditions outlined in these Terms & Conditions should become invalid, the remaining conditions will continue to be valid and apply. These Terms & Conditions apply to all event participants (attendees, authors, speakers, sponsors, exhibitors).


SME Conference Registration
12999 E. Adam Aircraft Circle
Englewood, CO 80112

Or via email at or



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What Attendees Say

Over four decades of conferences, RETC provides both the experienced tunneling professional and the individual just starting in the business the opportunity to stay connected while integrating new ideas and innovations into contracting, design, and construction.

Bill Mariucci
Team Leader, Kiewit infrastructure Co.
Contact Us
  • The Society for Mining, Metallurgy & Exploration Inc. (SME) is a professional society (nonprofit 501(c)(3) corporation) whose more than 15,000 membership represents all professionals serving the minerals industry in more than 100 countries. View More >>
  • Address: 12999 E Adam Aircraft Cir
    Englewood, CO 80112
  • Phone: 303.948.4200
  • Email:
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