You will find the log in to your account with Neiman Marcus Credit Card by logging in to their website https://www.neimanmarcus.com/en-gb/account/login.jsp?_requestid=42142 – The log in box is in the upper right corner of the site under Sign in / Register.
Whether you are already a client or a new customer you click on Sign in /Register, then click on Overview. Already a client by clicking on Sign in / Register, then overview, you will be able to enter your email address and password and submit to login to your account.
If you are a new customer and would like to register an account with Neiman Marcus Credit Card, you click also on Sign in / Register, then click on overview then click on REGISTER NOW and fill the form to have an account with Neiman Marcus Credit Card.
You can also login with your facebook account as it shown in the following screenshot.