Possible Clues:

• Source of more pay or more play
• How post-game dieters should lose weight?
• Extra work done by boy, last in office
• It follows 19-Down
• Labour too long in office and someone must pay for it?
• Work late above it back there with me
• More work might get round the cleric back on time
• Work after hours done openly by one million English
• In plain English, I'm working outside hours
• Hours worked and paid for beyond the usual amount