What is the main condition for properly calculating the one-year retroactive date?

The main condition for properly calculating the one-year retroactive date is that the evidence must support the assigned evaluation throughout the entire retroactive period. This means that when determining retroactive benefits, it is crucial to establish that any rating or evaluation assigned is justified by the medical evidence available for the entire duration in question. The continuous support of the evaluation ensures that the veteran is fairly compensated from the proper effective date without gaps in supporting evidence, ensuring compliance with VA policy.

If the evidence during the retroactive period does not substantiate the assigned evaluation, it could lead to improper benefit amounts or potential denials of the claim. Therefore, having comprehensive and consistent medical records that validate the condition over the stated time frame is essential for accurately calculating benefits. The requirement emphasizes that the veteran must have been entitled to the benefits they are claiming for the entirety of the retroactive period, ensuring their needs are met in a fair and consistent manner.