The Guernsey Government March 3 released the 2025 employers guide. Topics covered include: 1) employer quarterly filing and payment deadlines of April 15, July 15, Oct. 15, and Jan. 15, for withheld taxes and contributions; 2) earnings subject to individual tax and contributions, and earnings requiring special treatment, such as social security sickness benefits and maternity benefits; 3) the 20 percent individual income tax rate on weekly or monthly gross pay, less allowances and deductions; 4) the 2025 contribution rates, with employer rates of 7 percent for full and employer-only, and employee rates of 7.4 percent for full and zero ...