Algorithm 2 Passport_Issue
Input: DVP_ID, P_num, I_ID, C_ID, IR_ID1, IR_ID2, Issued_time
1	if Inject_Record_query (IR_ID1) <> null && Inject_Record_query (IR_ID1) <> null then
2	if Check_Issuer(I_ID) = Issuer ID then
3	Print query result from Inject_Record_query(IR_ID1);
4	Print query result from Inject_Record_query(IR_ID2);
5	if info of inject record 1 is pass && info of inject record 2 is pass then
6	Add Digital Vaccine Passport Info to DVPArrayList;
7	str = “Create Success.”;
8	else
9	str = “Create Fail.”;
10	end if
11	else
12	str = “You are not Issuer!!”;
13	end if
14	end if