"Claim Forms: The insurer, on receipt of a notice of claim, will provide to the claimant the forms usually provided by the insurer for filing proof of loss. If the forms are not provided before the 16th day after the date of the notice, the claimant shall be considered to have complied with the requirements of this policy as to proof of loss on submitting, within the time fixed in the policy for filing proofs of loss, written proof covering the occurrence, the character, and the extent of the loss for which the claim is made."
Tex. Ins. Code § 1201.212