| 版本 | 最終碼位[a] | 碼位數 | L2 ID | WG2 ID | 文件 | 
| 4.0 | U+1950..196D, 1970..1974 | 35 |  | N966 | Proposal for encoding Dehong Dai script, 1994-01-01 | 
| L2/00-281 | N2239 | Proposal for encoding Dehong Dai script on BMP of ISO/IEC 10646, 2000-08-08 | 
| L2/00-361 | N2239R | Proposal for encoding Dehong Dai script on BMP of ISO/IEC 10646, 2000-08-08 | 
| L2/00-347 | N2292 | Everson, Michael; Xi, Weining; Zhao, Qinglian, Report on Tai Le (Dehong Dai) script, 2000-09-25 | 
| L2/01-050 | N2253 | Umamaheswaran, V. S., 7.11 Proposal for encoding Dehong Dai script, Minutes of the SC2/WG2 meeting in Athens, September 2000, 2001-01-21 | 
| L2/01-348 | N2371 | Proposal Summary Form for Dai scripts, 2001-09-14 | 
| L2/01-369 | N2372 | Everson, Michael, Revised proposal for encoding the Tai Le script in the BMP of the UCS, 2001-10-05 | 
| L2/01-420 |  | Whistler, Ken, b. Tai Le script, WG2 (Singapore) Resolution Consent Docket for UTC, 2001-10-30 | 
| L2/01-405R |  | Moore, Lisa, Consensus 89-C21, Minutes from the UTC/L2 meeting in Mountain View, November 6-9, 2001, 2001-12-12, The UTC accepts the encoding of the Tai Le collection of characters with names (TAI LE LETTER..) and code points (1950..196D, 1970..1974) as described in section 3b, L2/01-420. | 
| L2/02-154 | N2403 | Umamaheswaran, V. S., 7.6, Draft minutes of WG 2 meeting 41, Hotel Phoenix, Singapore, 2001-10-15/19, 2002-04-22 | 
| L2/03-253 |  | Kai, Daniel, Lepcha, Limbu, Syloti, Saurashtra, Tai Le and Bugis Proposals, 2003-08-13 | 
| L2/03-258 |  | Kai, Daniel, Introduction to the Tai Le Script, 2003-08-13 | 
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