In The Unicode Standard, Balinese script implementation is discussed in  Chapter 17 Indonesia and Oceania.

The Balinese script was encoded in The Unicode Standard version 5.0. The script is encoded in the following block:

BlocksCharacter RangeAdded in Unicode VersionUnicode Chart
Balinese 1B00..1B7F 5.0  U1B00.pdf

A number of proposals for its inclusion were submitted to the Unicode Technical Committee and WG2:

1992-10-29 Kawi / Javanese / Balinese — Rick McGowan ( Unicode Technical Report #3 R2)

2003-03-12 Contemporary Use of The Balinese Script — Ida Bagus Adi Sudewa ( L2/03-118)

2003-05-13 Letter in support of Balinese encoding from Dept of National Education, Language Center, Denpasar Language Council — via Deborah Anderson ( L2/03-156)

2003-05-14 Two letters in support of Balinese encoding — via Deborah Anderson ( L2/03-152)

2003-05-16 Four letters in support of Balinese encoding — via Deborah Anderson ( L2/03-153)

2004-10-04 Preliminary proposal for encoding the Balinese script in the UCS — Michael Everson ( WG2 N2856,  L2/04-357)

2005-01-23 Proposal for encoding the Balinese script in the UCS — Michael Everson and I Made Suatjana ( WG2 N2908,  L2/05-008)

2005-01-19 Balinese government support for encoding the Balinese script — Michael Everson ( WG2 N2916,  L2/05-021)

2005-02-02 Comments on Balinese Proposal, L2/05-008 — Peter Constable (  L2/05-056)

2005-04-14 Proposed Balinese Character Properties — Rick McGowan ( L2/05-090)

2005-04-25 Proposed Balinese Line-Breaking Classes — Rick McGowan ( L2/05-091)

2005-08-16 Letter from Badan Standardisasi Nasional (BSN Indonesia) re Balinese — Indonesia N.B. ( L2/05-234)

2008-03-02 Criteria for the encoding of script-specific dandas — Unicode and US National Body ( WG2 N3457,  L2/08-118)

2014-02-05 A bag of suggested improvements to Unicode’s provisional Indic properties — Roozbeh Pournader, Behdad Esfahbod ( L2/14-065)

2014-05-08 Improvements requested for Unicode Indic properties (two text file appendices are included) — Roozbeh Pournader ( L2/14-126)