Wushu Tao
(https://wushu-tao.com)

Writing sheet of the characters :

• guī dìng 规定 (Prescrire / fixer / stipuler)

                                                                                                                                                                                                                                    
For more informations about these characters and their pronunciations, consult this page :
https://wushu-tao.com/page_ac_liste_car.php