OrgTest

Alternatives will depend on the general latex class configuration:

;; paragraph
(add-to-list 'org-latex-classes
             '("pi3r-org-article"
               "\\documentclass{scrartcl}
               "
               ("\\section{%s}" . "\\section*{%s}")
               ("\\paragraph{%s}" . "\\paragraph*{%s}")

;; subsection
(add-to-list 'org-latex-classes
             '("pi3r-org-article"
               "\\documentclass{scrartcl}
               "
               ("\\section{%s}" . "\\section*{%s}")
               ("\\subsection{%s}" . "\\subsection*{%s}")

;; itemize/enumitem
(add-to-list 'org-latex-classes
             '("pi3r-org-article"
               "\\documentclass{scrartcl}
               "
               ("\\section{%s}" . "\\section*{%s}")

Then you can switch from itemize to enumitem chosing N=1 or N=2