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