New and current members can use the online form below to join or renew your membership. If you have changes to your contact information, please update the information on the form.
If you prefer to mail us the information, please print and send us the Colorado Scientific Society Membership Form (PDF) with your check.
Notes about Donations:
- You can make a Donation to the Colorado Scientific Society without being or becoming a member. That includes making a donation when using this online form. Do not Select a Membership Type; just leave membership type blank and enter your donation amount(s) to your selected purpose or fund.
- The Colorado Scientific Society is a 501(c)(3) non-profit, charitable, tax-exempt organization. Your donation may be tax deductible.
- If you will be making a donation over $100, consider printing the Membership Form (PDF) above and sending us a check to the address on the form. On online transactions we pay PayPal a processing fee of about 2.9% plus $0.30 per transaction.
Make Your Online Membership Payment to the Colorado Scientific Society
- Fill out the membership form below. Fields with an asterisk must be entered.
- Click on the SUBMIT at the bottom of the form.
- We will verify that all required fields (marked with an asterisk) have been entered. If they are blank, please enter them and re-submit.
- The payment request will be transferred you to the PayPal secure site where you can pay from a credit card or your PayPal account.
- After payment is made, PayPal will show your receipt.
- Click on the “Return to Merchant” button at the bottom to return to the ColoSciSoc website. This reports your payment to our transaction log.
Note: If you have a problem using this online form for your CSS membership, please email coloscisoc.webmaster@gmail.com and tell me where you had a problem (e.g. “After I clicked on the SUBMIT button, nothing happened.”) and any other details you remember.