Adding missing certifications

I want to add a new certifications for Kuwait, Bahrain, Iraq, Jordan, Morocco, Oman, Palestine, Qatar, Saudi Arabia, Syria and UAE.

These will be
Kuwait: E

old ratings:
G

16+

-16

Bahrain: 18+

(Banned)

Iraq: G
PG 13
PG 15
15+

18+

18TC

Jordan: G

PG
PG13

15+

18+

(Banned)

Morocco: Tout public

(Banned)

Oman: Not fixed and make it one to one certificates instead of merging certificates
(Banned)

Palestine: G

PG

PG-13
R

(Banned)

Qatar: G
PG

PG13
PG15
15+

18+

(Banned)

Saudi Arabia: PG15

Syria: (Banned)

How can I do this?
Thanks