Possible Clues:

• Assistant's job to get hold of record
• US sheriff's assistant
• Subordinate's record duty-bound
• One directly below another in rank
• ____ Dawg, US cartoon series with catchphrases 'Just a cotton-picking moment' and 'Dagnabbit Muskie'
• Booking agent?
• #2
• Obligation to hold record for second-in-command
• Not the principal task to file record
• Member of the French parliament