The following are known Action Replay Codes for True Swing Golf on Nintendo DS (NDS).

Game ID: AGFE-ADE4CA6B

Always Hole in One
02092f28 00000000
02092f2c 00000000
02092f30 00000000
02092f34 00000000
02092f38 00000000
02092f3c 00000000
02092f40 00000000
02092f44 00000000
02092f48 00000000