Based on Government Regulation no 8 year 2013 that Spatial Planning in Indonesia should follow regulation about accuracy of maps for spatial planning process:

National Spatial Plan: 1:1,000,000 scale

Island Spatial Plan: 1:500,000 scale

Province Spatial Plan: 1:250,000 minimum scale

Regency/District  Spatial Plan: 1:50,000 minimum scale

City Spatial Plan: 1:25,000 minimum scale

Regulation also mentioned about Strategic/Detail Area Spatial Plan that regulated:

Urban Area: 1:5,000 scale

Rural Area: 1:1,000 scale

For detail please download at: http://jdih.big.go.id/resources/files/law/PERATURAN_PEMERINTAH_NO._8_TAHUN_2013_TENTANG_KETELITIAN_PTA_RENCANA_TATA_RUANG.pdf

Translation needed because regulation in Bahasa Indonesia