斯里兰卡标准 僧伽罗语

找到了三份有关僧伽罗语的斯里兰卡标准 (英语)
http://www.icta.lk/index.php/en/programmes/pli-development/104-local-languages-initiative-/658-sinhala-standard-sls-1134-2004

http://www.icta.lk/attachments/658_658_SLS%201134.pdf
SLS 1134:2004 Sinhala Character Code For Information Interchange (Second Revision)
僧伽罗语信息交换（第二次修订字符代码）

http://www.icta.lk/attachments/658_658_SLS%201134-%20Part%201.pdf
SLS 1134: Part 1 2006  Sinhala Character Code For Information Interchange Part 1: Collation Sequence
斯里兰卡标准1134: 2006 僧伽罗语信息交换第1部分字符代码：校勘序列

http://www.icta.lk/attachments/658_658_SLS%201134-Part2.pdf
SLS 1134: Part 2 2007 Sinhala Character Code For Information Interchange Part 2: Requirements and methods of test
斯里兰卡标准1134 2007 僧伽罗语字符代码信息交换第2部分：要求和试验方法