gud day, me & my son is going to HK on may 6, i am employed as a DH in HK,together with my family.my son goes to HK for the 4th time,last stay was from jan 25 to march 26. we went to the immigration d

gud day, me & my son is going to HK on may 6, i am employed as a DH in HK,together with my family.my son goes to HK for the 4th time,last stay was from jan 25 to march 26. we went to the immigration dept to extend his visa.are there gona be problems in the immigration upon our arrival there? by the way he is 3 years old.