Check out the liquidity of the Thai big players, right up there with the rest. What was the last thai bank to go under? There have been many in the west
In Prachuap Khiri Khan they highlighted this and asked me (politely) to make sure it's as close as possible to the same date each month (saves them scouring through statements if they're busy I guess) - but still got it none the less. I imagine they would be unimpressed if it was made up by several smaller amounts