First off - I don't know exactly what tuning this is in. So I've noted it below. 
Secondly, the other tabs I've found were right as far as I can tell, for the version from the 
'Fearless' album. This Acoustic version is from the album 'The Gulley Flats Boys'.

Tuning
----------
DbAb
FDb
AbEb

Intro / Chorus

Db|---------------------------------------|---------------------------------------|
Ab|-----------------------------2p0-------|-----------------------------0---------|
F |--------3--------3--------1-------1----|--------3--------3--------1------------|
Db|-----0--------0--------0---------------|-----0--------0--------0---------------|
Ab|--5--------4--------2------------------|--5--------4--------2------------------|
Eb|---------------------------------------|---------------------------------------|

Verse

Db|---------------------------------------|---------------------------------------|
Ab|---------------------------------------|---------------------------------------|
F |-----------3-----------------3---------|-----------3-----------------3---------|  (2x)
Db|--------0-----0-----------0-----0------|--------0-----0-----------0-----0------|
Ab|-----4-----------4-----4-----------4---|-----4-----------4-----4-----------4---|
Eb|--3-----------------3------------------|--2-----------------2------------------|

Db|---------------------------------------|---------------------------------------|
Ab|---------------------------------------|---------------------------------------|
F |-----------1-----------------1---------|-----------0-----------------0---------|  (2x)
Db|--------0-----0-----------0-----0------|--------0-----0-----------0-----0------|
Ab|-----2-----------2-----2-----------2---|-----2-----------2-----2-----------2---|
Eb|--0-----------------0------------------|--0-----------------0------------------|

(The rhythm changes here, if you listen, it's easy to pick up)
Db|-----------------0---------------------|-----------------0---------------------|
Ab|--------2-----------2------------------|--------2-----------2------------------|
F |-----3-----3-----------3---------------|-----3-----3---------------------------|
Db|--------------0-----------0------------|--------------0------------------------|
Ab|--0------------------------------------|--0------------------------------------|
Eb|---------------------------------------|---------------------------------------|

Db|-----------------0---------------------|-----------------0---------------------|
Ab|--------2-----------2------------------|--------2------------------------------|
F |-----3-----3-----------3---------------|-----3-----3---------------------------|
Db|--------------0-----------0------------|--------------0------------------------|
Ab|--0------------------------------------|--0------------------------------------|
Eb|---------------------------------------|---------------------------------------|

Occassionally (it's easy to spot) he'll play this, instead of the last part above
Db|-----------------0---------------------|-------------------0-------------------|
Ab|--------2-----------2------------------|--------2----------2-------------------|
F |-----3-----3-----------3---------------|-----3-----3-------3-------------------|
Db|--------------0-----------0------------|--------------0----0-------------------|
Ab|--0------------------------------------|--0----------------0-------------------|
Eb|---------------------------------------|---------------------------------------|

That should be all! Hope you enjoy playing the song.