Facts
A. entered Switzerland in 1998 with his parents. His father B. has been employed at the Bank for International Settlements (BIS) headquartered in Basel since their arrival. A. suffers from severe early childhood autism. After several applications for benefits from the Disability Insurance (IV) were rejected due to lack of insurance prerequisites, his parents re-registered him in June 2012. The IV office of Basel-Landschaft denied the claim for an extraordinary disability pension and helplessness allowance in its rulings of August 16, 2013.
B. A.'s appeal against these rulings was dismissed by the Cantonal Court of Basel-Landschaft.
C. With an appeal in public law matters, A. requested the annulment of the rulings and the granting of the requested benefits.
Considerations
2. According to the Federal Act on Old-Age and Survivors' Insurance (AHVG), foreigners who enjoy privileges and immunities under the rules of international law are exempt from the mandatory AHV/IV. This applies in particular to officials of international organizations headquartered in Switzerland and their non-working family members.
4. The Headquarters Agreement between Switzerland and the BIS of February 10, 1987, as well as the exchange of letters of October 26/December 12, 1994, are to be understood as meaning that not only the foreign and Swiss officials of the…