For the real thing follows the links!
index:
http://www.dti.gov.uk/er/work_time_regs/wtr0.htm
hours:
http://www.dti.gov.uk/er/work_time_r...2.htm#section2
time off:
http://www.dti.gov.uk/er/work_time_r...5.htm#section5
NOTE:
an employer CANNOT force you to sign the 48 hour waiver form, nor can they sack you for not signing it.