Rent Receipt Sanitizer for https://cleartax.in/save/rent. Run the comment https://gist.github.com/abhijithvijayan/46a9dc8248b26c68f5241d16fb6bee96?permalink_comment_id=4492263#gistcomment-4492263

clear-tax-rent-receipt.js

// For https://cleartax.in/save/rent

// date of repayment against the receipt number
var dateOfPayments = {
    1: "<DATE>",
    2: "<DATE>",
    3: "<DATE>",
    4: "<DATE>",
    5: "<DATE>",
    6: "<DATE>",
    7: "<DATE>",
    8: "<DATE>",
    9: "<DATE>",
    10: "<DATE>",
    11: "<DATE>",
    12: "<DATE>"
};

function receiptCleanser(dateOfPayments = {}) {
    // removing watermark
    [...document.querySelectorAll("a[href='/save/rent']")].forEach((x) => x.parentNode?.remove());

    // removing month string from receipt heading
    [...document.querySelectorAll("strong")].filter((t) => t.textContent == "RENT RECEIPT").forEach((t) => t.parentNode?.children?.[1]?.remove());

    // make Pan -> PAN
    [...document.querySelectorAll("strong")].filter((t) => t.textContent.includes("Pan")).forEach((t) => t.textContent = t.textContent.replace("Pan", "PAN"));

    // removing future provisional watermark
    [...document.querySelectorAll("span")].filter((t) => t.textContent == "Provisional").forEach((t) => t.parentNode?.remove());

    // replacing date of receipt with the actual payment date
    [...document.querySelectorAll("p")].filter((t) => t.textContent.startsWith("Receipt No:")).forEach((t) => {
        let receiptNumber = Number(t.textContent.match(/[0-9]+/)[0]);
        let date = t.parentNode?.children?.[1]?.textContent;

        if (typeof receiptNumber === "number" && dateOfPayments[receiptNumber] && typeof date === "string" && date.startsWith("Date")) {
            t.parentNode.children[1].textContent = `Date: ${dateOfPayments[receiptNumber]}`;
        }
    })
}

(() => {
    // NOTE: update this URL if script in gist is updated
    var scriptUrl = "https://gist.githubusercontent.com/abhijithvijayan/46a9dc8248b26c68f5241d16fb6bee96/raw/f33cee33fdc535e731d28d836cee7ec72e0f9a2a/clear-tax-rent-receipt.js";
    var scriptToInject = document.createElement("script");
    // var scriptSrcURL = 'https://corsproxy.io/?' + encodeURIComponent(scriptUrl);
    var scriptSrcURL = 'https://api.codetabs.com/v1/proxy/?quest=' + encodeURIComponent(scriptUrl);

    // date of repayment against the receipt number
    var dateOfPayments = {
        1: "Apr 01 2023",
        2: "May 04 2023",
        3: "Jun 03 2023",
        4: "Jun 30 2023",
        5: "Aug 01 2023",
        6: "Sep 04 2023",
        7: "Oct 03 2023",
        8: "Nov 02 2023",
        9: "Nov 29 2023",
        10: "Jan 04 2024",
        11: "Feb 03 2024",
        12: "Mar 04 2024"
    };

    fetch(scriptSrcURL).then((res) => res.text()).then((code) => {
        scriptToInject.append(code);
        document.body.append(scriptToInject);
        console.log("call 'receiptCleanser(dateOfPayments)' for the magic!")
    })
})();