They do have to attest to this: "Employment of the H-1B worker will not adversely affect the working conditions of workers similarly employed in the intended a

They do have to attest to this: "Employment of the H-1B worker will not adversely affect the working conditions of workers similarly employed in the intended area of employment" It would be difficult to honestly attest to that if you haven't made a good faith effort to hire for the position from the local labor pool.