Advice on when to contact TESU about degree plan

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Hi everyone :o I'm new to the forum and hoping someone can help me. I'm planning on attending TESU for a Bachelor of Art Computer Science starting June of 2018 and am not an enrolled student at this point. I have created a plan to complete my lower level courses (and most of my electives) at Straighterline. Most of my courses are listed on SL's credit equivalency page for TESU (so those won't be a problem) but some that I'd like to take (Intro to programming in C++) aren't. What I'm trying to figure out is when should I contact TESU to make sure my credits will be accepted? I don't have a transcript as I haven't taken these classes yet so I really only asking to have my course plan evaluated. Also, does anyone know if there's a fee for this?