There are the following most popular options (along with a phone call to the HR department):
Offer letter
A job offer letter is a formal document sent to candidates selected for employment. It’s a good idea to have written confirmation of an offer so that both the employee and the employer are clear on the conditions of a job.
Written Job Offers
If a job offer is made over the phone or email, it will most likely be followed by a formal letter that confirms employment details such as job description, salary, benefits, paid leave, and management structure. The job offer may be contingent upon the new employee completing additional steps, such as passing a background or reference check or undergoing a pre-employment drug test.
What’s Included in a Job Offer Letter
An offer letter confirms employment details such as:
- Job description
- Job title
- Reporting structure
- Starting date of employment
- Salary
- Benefits information and eligibility
- Acknowledgment of offer and confirmation of acceptance
Job Offer Letter Templates
Downloadable job offer template, compatible with Google Docs and Microsoft Word is here.
You can also find lots of free templates by searching for “job offer letter templates”.
W9 or 1099 form
Some companies will request to provide one of those forms (depending on the type of employment – W9 for full-time and 1099 for contractors).
Those are very sensitive documents because they disclose company (TIN) and personal (SSN) numbers, amount of compensation, deductions, addresses, etc. In most states, there are even legal regulations on this type of information. We strongly recommend you to cover any sensitive information (which is almost everything). You can find lots of examples in Google along with free form generators.
Salary history bans info for the reference
Here is an example of one of those forms: